| AV# | Title | Format Code | Length | Year |
| 65472 | O Brother, Where Art Thou? | Digital Video Disc | 1 hour, 43 minutes | 2000 |
| 61789 | O Pioneers! | Laser Disc | 1 hour, 39 minutes | 1992 |
| 67311 | Obedience | Digital Video Disc | 44 minutes | 1965 |
| 82321 | Obedience | Video Cassette | 45 minutes | 1965 |
| 61701 | Oberst Redl ( Colonel Redl ) | Laser Disc | 2 hours, 24 minutes | 1984 |
| 87191 | The Object Orientation Series: Introduction to OO Analysis & Design [Part 1] | Video Cassette | 52 minutes | 1996 |
| 87192 | The Object Orientation Series: Introduction to OO Analysis & Design [Part 2] | Video Cassette | 52 minutes | 1996 |
| 87193 | The Object Orientation Series: Introduction to OO Analysis & Design [Part 3] | Video Cassette | 55 minutes | 1996 |
| 86386 | Object Oriented Database Principles | Video Cassette | 52 minutes | 1996 |
| 11476 | Object Relations Child Therapy | Video Cassette | 1 hour, 53 minutes | 2001 |
| 11682 | Object Relations Therapy | Video Cassette | 1 hour, 59 minutes | 1998 |
| 84663 | Object-Oriented Programming | Video Cassette | 46 minutes | 1989 |
| 84660 | Objects and Interfaces for System Software Structure | Video Cassette | 58 minutes | 1992 |
| 82065 | Oblomov | Video Cassette | 2 hours, 25 minutes | 1981 |
| 23064 | Observing Children Moving [PC] | CD-ROM | N. A. | 2003 |
| 83879 | Observing Young Children: Learning to Look, Looking to Learn | Video Cassette | 28 minutes | 1995 |
| 86390 | Obsessive-Compulsive Disorders: Why Am I Doing This? | Video Cassette | 18 minutes | 1995 |
| 66699 | The Obsidian Trail | Digital Video Disc | 27 minutes | 2002 |
| 84535 | Occurrence At Owl Creek Bridge | Video Cassette | 28 minutes | 1962 |
| 11058 | OCD: An Alternative Treatment | Video Cassette | 15 minutes | 1996 |
| 84681 | Ocean Circulation: Depth | Video Cassette | 9 minutes | 1987 |
| 84682 | Ocean Circulation: Surface | Video Cassette | 9 minutes | 1987 |
| 86979 | Ocean Currents | Video Cassette | 29 minutes | 198- |
| 86196 | Ocean Desert: The Sargasso Sea | Video Cassette | 11 minutes | 1986 |
| 84683 | Ocean Salinity | Video Cassette | 10 minutes | 1987 |
| 10024 | The Ocean Sink | Video Cassette | 31 minutes | 1990 |
| 84684 | Ocean Temperatures | Video Cassette | 10 minutes | 1987 |
| 84685 | Ocean Tides | Video Cassette | 9 minutes | 1987 |
| 84686 | Ocean Waves | Video Cassette | 8 minutes | 1987 |
| 67312 | Oceania: The Promise of Tomorrow - The Human / Dolphin Connection | Digital Video Disc | 57 minutes | 1989 |
| 82663 | Oceanic and Related Atmospheric Phenomena as Viewed From Environmental Satellites | Video Cassette | 21 minutes | 198- |
| 89788 | Oceanography: Waves | Video Cassette | 25 minutes | 1989 |
| 87147 | Oceans of Air | Video Cassette | 46 minutes | 1992 |
| 65006 | Oceanscapes | Digital Video Disc | 50 minutes | 1996 |
| 65194 | October 1917 ( Ten Days That Shook the World ) | Digital Video Disc | 1 hour, 43 minutes | 1928 |
| 65195 | October Sky | Digital Video Disc | 1 hour, 48 minutes | 1999 |
| 60054 | Octopus, Octopus | Laser Disc | 52 minutes | 1971 |
| 60487 | Octopussy | Laser Disc | 2 hours, 10 minutes | 1983 |
| 60280 | The Odd Couple | Laser Disc | 1 hour, 46 minutes | 1968 |
| 61125 | Odd Man Out | Laser Disc | 1 hour, 51 minutes | 1947 |
| 67545 | Odô Yá! Life with AIDS | Digital Video Disc | 59 minutes | 1997 |
| 88539 | The Odyssey | Video Cassette | 2 hours, 49 minutes | 1997 |
| 86910 | Odyssey of Life: The Photographer’s Secrets | Video Cassette | 1 hour, 7 minutes | 1996 |
| 86908 | Odyssey of Life: The Ultimate Journey | Video Cassette | 1 hour | 1996 |
| 86909 | Odyssey of Life: The Unknown World | Video Cassette | 1 hour, 5 minutes | 1996 |
| 88197 | Odyssey: 1. Seeking the First Americans | Video Cassette | 1 hour | 1980 |
| 88198 | Odyssey: 2. Franz Boas ( 1858-1942 ) | Video Cassette | 1 hour | 1980 |
| 88199 | Odyssey: 3. The Incas | Video Cassette | 1 hour | 1980 |
| 88200 | Odyssey: 4. Other People’s Garbage | Video Cassette | 1 hour | 1980 |
| 88201 | Odyssey: 5. The Chaco Legacy | Video Cassette | 1 hour | 1980 |
| 88348 | Odyssey: 6. The Ancient Mariners | Video Cassette | 59 minutes | 1981 |
| 88349 | Odyssey: 7. On the Cowboy Trail | Video Cassette | 1 h hour | 1981 |
| 88350 | Odyssey: 8. Little Injustices - Laura Nader Looks at the Law | Video Cassette | 1 h hour | 1981 |
| 88351 | Odyssey: 9. Myths and the Moundbuilders | Video Cassette | 1 h hour | 1981 |
| 82234 | The Odyssey: 1. The Structure of the Epic | Video Cassette | 28 minutes | 1965 |
| 88352 | Odyssey: 10. The Three Worlds of Bali | Video Cassette | 1 h hour | 1981 |
| 88353 | Odyssey: 11. Dadi’s Family | Video Cassette | 1 h hour | 1981 |
| 88354 | Odyssey: 12. Ben’s Mill | Video Cassette | 1 h hour | 1981 |
| 88355 | Odyssey: 13. Margaret Mead - Taking Note | Video Cassette | 1 h hour | 1981 |
| 88356 | Odyssey: 14. Maya Lords of the Jungle | Video Cassette | 1 h hour | 1981 |
| 82235 | The Odyssey: 2. The Return of Odysseus | Video Cassette | 26 minutes | 1965 |
| 82236 | The Odyssey: 3. The Central Themes | Video Cassette | 29 minutes | 1965 |
| 23045 | OECD Health Data 98: A Comparative Analysis of 28 Countries [PC] | CD-ROM | N/A | 1998 |
| 82050 | Oedipus at Colonus | Video Cassette | 2 hours, 11 minutes | 1986 |
| 84083 | Oedipus Rex | Video Cassette | 1 hour, 28 minutes | 1957 |
| 82049 | Oedipus the King | Video Cassette | 2 hours, | 1986 |
| 10954 | Of Civil Wrongs and Rights: The Fred Korematsu Story | Video Cassette | 59 minutes | 2000 |
| 61702 | Of Mice and Men | Laser Disc | 1 hour, 46 minutes | 1939 |
| 88688 | Of Mice and Mendoza: Sharing in Science A Film on Scientific Integrity | Video Cassette | 9 minutes | 1996 |
| 84425 | Off and Running: A Case Study In Sales Promotion | Video Cassette | 29 minutes | 1985 |
| 88779 | Off the Straight & Narrow: Lesbians, Gays, Bisexuals & Television | Video Cassette | 1 hour, 3 minutes | 1998 |
| 68031 | The Office - Season 2: 1. The Dundies / 2. Sexual Harassment / 3. Office Olympics / 4. The Fire / 5. Halloween / 6. The Fight | Digital Video Disc | 2 hours, 12 minutes | 2005 |
| 68032 | The Office - Season 2: 7. The Client / 8. Performance Review / 9. E-mail Surveillance / 10. Christmas Party / 11. Booze Cruise / 12. The Injury | Digital Video Disc | 2 hours, 12 minutes | 2005/06 |
| 67941 | The Office - Season One: 1. Downsize / 2. Work Experience / 3. The Quiz / 4. Training / 5. New Girl / 6. Judgement | Digital Video Disc | 3 hours, | 2001 |
| 67942 | The Office - Season One: 2 | Digital Video Disc | 50 minutes | 2003 |
| 67943 | The Office - Season Two: Episodes 1-6 | Digital Video Disc | 3 hours, | 2002 |
| 68027 | The Office: Season 1 | Digital Video Disc | 2 hours, 12 minutes | 2005 |
| 68034 | The Office: Season 2 | Digital Video Disc | 1 hour, 28 minutes | 2005 |
| 68033 | The Office: Season 2: 13. The Secret / 14. The Carpet / 15. Boys and Girls / 16. Valentine’s Day / 17. Dwight’s Speech / 18. Take Your Daughter to Work Day | Digital Video Disc | 2 hours, 12 minutes | 2005 |
| 80207 | An Officer and a Duck | Video Cassette | 45 minutes | 194- |
| 60355 | An Officer and a Gentleman | Laser Disc | 2 hours, 6 minutes | 1982 |
| 1360 | Offon | 16mm | 8 minutes | 1967 |
| 89867 | Offon / Moon / 1970 | Video Cassette | 54 minutes | 1987 |
| 65880 | Offret ( Sacrificatio ) [ The Sacrifice ] | Digital Video Disc | 2 hours, 25 minutes | 1986 |
| 82603 | La Ofrenda: The Days of the Dead | Video Cassette | 50 minutes | 1989 |
| 10537 | Ohana | Video Cassette | 10 minutes | 2001 |
| 3191 | Ohm’s Law | 16mm | 19 minutes | 1943 |
| 80179 | The Oil Kingdoms: 1. Kings and Pirates | Video Cassette | 58 minutes | 1983 |
| 80180 | The Oil Kingdoms: 2. The Petrodollar Coast | Video Cassette | 58 minutes | 1983 |
| 80181 | The Oil Kingdoms: 3. A Sea of Conflict | Video Cassette | 58 minutes | 1983 |
| 89796 | Oil, Arms, and the Gulf | Video Cassette | 29 minutes | 1990 |
| 68236 | Oklahoma! ( Todd-AO ) | Digital Video Disc | 2 hours, 26 minutes | 1955 |
| 68235 | Oklahoma! ( Cinemascope ) | Digital Video Disc | 2 hours, 26 minutes | 1955 |
| 88338 | Old Age - Do Not Go Gentle: Part 1. Problems of the Aged | Video Cassette | 52 minutes | 1978 |
| 88339 | Old Age - Do Not Go Gentle: Part 2. Alternative Solutions | Video Cassette | 52 minutes | 1978 |
| 1001 | An Old Box [ Une Vielle Boite ] | 16mm | 9 minutes | 1976 |
| 80922 | Old Enough to Do Time | Video Cassette | 55 minutes | 1983 |
| 86449 | Old Like Me | Video Cassette | 28 minutes | 1985 |
| 66995 | The Old Man and the Sea | Digital Video Disc | 48 minutes | 1999 |
| 89540 | The Old Man and the Sea | Video Cassette | 1 hour, 26 minutes | 1958 |
| 88582 | Older Adult Development | Video Cassette | 23 minutes | 1997 |
| 86705 | Older Voices: Interviewing Older Adults | Video Cassette | 47 minutes | 1994 |
| 80977 | Oliver North: Memo to History | Video Cassette | 1 hour, 24 minutes | 1987 |
| 61541 | Oliver Twist | Laser Disc | 1 hour, 56 minutes | 1948 |
| 89150 | Oliver! | Video Cassette | 2 hours, 29 minutes | 1968 |
| 60117 | Olivia | Laser Disc | 55 minutes | 1978 |
| 60251 | Olivia: Physical | Laser Disc | 55 minutes | 1981 |
| 61703 | Olympia | Laser Disc | 3 hours, 20 minutes | 1939 |
| 1541 | Olympia: The Diving Sequence | 16mm | 10 minutes | 1937 |
| 81541 | Olympia: The Diving Sequence | Video Cassette | 5 minutes | 1938 |
| 3478 | Olympia: The Marathon Sequence | 16mm | 13 minutes | 1938 |
| 83478 | Olympia: The Marathon Sequence | Video Cassette | 13 minutes | 1938 |
| 67313 | Oma Rhee | Digital Video Disc | 20 minutes | 1999 |
| 66997 | Omai Fa’atasi: Samoa mo Samoa | Digital Video Disc | 30 minutes | 1978 |
| 60204 | The Omen | Laser Disc | 1 hour, 51 minutes | 1976 |
| 81031 | Omnibus: Television’s Golden Age [Part 1] | Video Cassette | 45 minutes | 1999 |
| 81032 | Omnibus: Television’s Golden Age [Part 2] | Video Cassette | 56 minutes | 1999 |
| 67801 | On a Roll | Digital Video Disc | 53 minutes | 2005 |
| 86283 | On and about Instruction [ Teaching Styles ] | Video Cassette | 29 minutes | 199- |
| 83692 | On and Off the Reservation: A Native American | Video Cassette | 18 minutes | 1997 |
| 80654 | On Assignment: 1. Photographic Light | Video Cassette | 1 hour, 30 minutes | 1986 |
| 80655 | On Assignment: 2. Photographic Design | Video Cassette | 1 hour, 30 minutes | 1986 |
| 80656 | On Assignment: 3. The Studio | Video Cassette | 1 hour, 30 minutes | 1986 |
| 80657 | On Assignment: 4. The Business of Photography | Video Cassette | 1 hour, 30 minutes | 1986 |
| 82285 | On Becoming a Nurse-Psychotherapist | Video Cassette | 42 minutes | 1969 |
| 86757 | On Becoming a Scientist | Video Cassette | 19 minutes | 1995 |
| 84000 | On Borrowed Land | Video Cassette | 51 minutes | 1990 |
| 87974 | On Cannibalism | Video Cassette | 7 minutes | 1994 |
| 67314 | On Common Ground: 8. Rules of the Game | Digital Video Disc | 28 minutes | 1999 |
| 26092 | On Common Ground: World Religions in America [Dual] | CD-ROM | N/A | 1997 |
| 87695 | On Company Business: Part 1 | Video Cassette | 1 h hour | 1980 |
| 87696 | On Company Business: Part 2 | Video Cassette | 50 minutes | 1980 |
| 87697 | On Company Business: Part 3 | Video Cassette | 1 hour, 9 minutes | 1980 |
| 81694 | On Deadly Ground | Video Cassette | 1 hour, 42 minutes | 1994 |
| 85730 | On Equal Terms | Video Cassette | 29 minutes | 1986 |
| 60239 | On Golden Pond | Laser Disc | 1 hour, 49 minutes | 1981 |
| 60488 | On Her Majesty’s Secret Service | Laser Disc | 2 hours, 22 minutes | 1969 |
| 87310 | On Intercultural Competence: Better Together Than A-P-A-R-T | Video Cassette | 1 hour, 1 minutes | 1996 |
| 80246 | On Key | Video Cassette | 30 minutes | 1984 |
| 88871 | On Life and Living: The Hospice Experience | Video Cassette | 19 minutes | 1993 |
| 86188 | On My Feet Again | Video Cassette | 50 minutes | 1996 |
| 68571 | On Our Own Terms - Moyers on Dying: 1. Living With Dying | Digital Video Disc | 1 hour, 27 minutes | 2000 |
| 81291 | On Our Own Terms - Moyers on Dying: 1. Living With Dying | Video Cassette | 1 hour, 27 minutes | 2000 |
| 68572 | On Our Own Terms - Moyers on Dying: 2. A Different Kind of Care | Digital Video Disc | 1 hour, 27 minutes | 2000 |
| 81292 | On Our Own Terms - Moyers on Dying: 2. A Different Kind of Care | Video Cassette | 1 hour, 27 minutes | 2000 |
| 68573 | On Our Own Terms - Moyers on Dying: 3. A Death of One’s Own | Digital Video Disc | 1 hour, 27 minutes | 2000 |
| 81293 | On Our Own Terms - Moyers on Dying: 3. A Death of One’s Own | Video Cassette | 1 hour, 27 minutes | 2000 |
| 68574 | On Our Own Terms - Moyers on Dying: 4. A Time to Change | Digital Video Disc | 1 hour, 27 minutes | 2000 |
| 81294 | On Our Own Terms - Moyers on Dying: 4. A Time to Change | Video Cassette | 1 hour, 27 minutes | 2000 |
| 80059 | On Strike! San Francisco State, 1969 | Video Cassette | 20 minutes | 1969 |
| 85691 | On Television: Public Trust or Private Property | Video Cassette | 58 minutes | 1988 |
| 85692 | On Television: Teach the Children | Video Cassette | 57 minutes | 1992 |
| 85693 | On Television: The Violence Factor | Video Cassette | 59 minutes | 1984 |
| 80149 | On the Beach | Video Cassette | 2 hours, 14 minutes | 1959 |
| 67316 | On the Edge | Digital Video Disc | 22 minutes | 2003 |
| 85497 | On the Homefront: The Influence of the Family | Video Cassette | 59 minutes | 1989 |
| 66067 | On the Line ( Río Abajo ) | Digital Video Disc | 1 hour, 35 minutes | 1985 |
| 87743 | On the Maximum Principle | Video Cassette | 45 minutes | 1992 |
| 85915 | On the Move: The Central Ballet of China | Video Cassette | 59 minutes | 1986 |
| 68238 | On the Outs | Digital Video Disc | 1 hour, 83 minutes | 2004 |
| 86914 | On the Road with Charles Kuralt: The American Heritage | Video Cassette | 1 hour, 2 minutes | 1989 |
| 86915 | On the Road with Charles Kuralt: The Seasons of America | Video Cassette | 53 minutes | 1989 |
| 86916 | On the Road with Charles Kuralt: Unforgettable People | Video Cassette | 56 minutes | 1989 |
| 60574 | On the Town | Laser Disc | 1 hour, 38 minutes | 1949 |
| 81516 | On the Trail of a Killer Virus | Video Cassette | 45 minutes | 1997 |
| 66070 | On the Waterfront | Digital Video Disc | 1 hour, 48 minutes | 1954 |
| 11348 | On Their Own | Video Cassette | 22 minutes | 2003 |
| 67274 | On this Rock: The Collins Family - B.C. the West | Digital Video Disc | 57 minutes | 1994 |
| 83375 | On Tiptoe: The Music of Ladysmith Black Mambazo | Video Cassette | 57 minutes | 2000 |
| 60135 | On Vacation with Mickey Mouse and Friends | Laser Disc | 47 minutes | 19-- |
| 89895 | On Your Own? | Video Cassette | 28 minutes | 1991 |
| 80101 | Once Upon a Couch: Gretel | Video Cassette | 2 hours, | 1982 |
| 67001 | Once Upon a Time in America | Digital Video Disc | 3 hours, 49 minutes | 1983 |
| 88674 | Once Upon a Time in Arkansas | Video Cassette | 57 minutes | 1997 |
| 65473 | Once Upon a Time in China ( Wong Fei-hung ) | Digital Video Disc | 2 hours, 14 minutes | 1991 |
| 66068 | Once Upon a Time in the West: 1. Feature Film | Digital Video Disc | 2 hours, 45 minutes | 1968 |
| 66069 | Once Upon a Time in the West: 2. Special Features | Digital Video Disc | N. A. | 1968 |
| 84318 | Once Upon a Time. . . Children’s Classics Retold in American Sign Language: Rapunzel / The Musicians of Bremen / Sleeping Beauty | Video Cassette | 35 minutes | 1991 |
| 84317 | Once Upon a Time. . . Children’s Classics Retold in American Sign Language: The Little Mermaid | Video Cassette | 37 minutes | 1991 |
| 66075 | Once Upon a Time...When We Were Colored | Digital Video Disc | 1 hour, 53 minutes | 1995 |
| 66529 | Once Were Warriors | Digital Video Disc | 1 hour, 42 minutes | 1995 |
| 3296 | One A.M. | 16mm | 15 minutes | 1916 |
| 87938 | One Against the Wind | Video Cassette | 1 hour, 39 minutes | 1991 |
| 83974 | One Day in the Live of Andrei Arsenevich | Video Cassette | 55 minutes | 1999 |
| 83975 | One Drop Rule | Video Cassette | 49 minutes | 2001 |
| 80820 | One Fine Day | Video Cassette | 6 minutes | 1984 |
| 68050 | One Fine Spring Day ( Bomnaleun Ganda ) | Digital Video Disc | 1 hour, 55 minutes | 2001 |
| 11570 | One Flew Over the Cuckoo’s Nest | Video Cassette | 2 hours, 14 minutes | 1975 |
| 65378 | One Flew Over the Cuckoo’s Nest | Digital Video Disc | 2 hours, 14 minutes | 1975 |
| 60664 | One From the Heart | Laser Disc | 1 hour, 41 minutes | 1982 |
| 82045 | One Hundred Great Paintings: Self-Portraits | Video Cassette | 50 minutes | 1981 |
| 80247 | One Man’s Multinational | Video Cassette | 30 minutes | 1981 |
| 80613 | The One Minute Manager | Video Cassette | 50 minutes | 1981-82 |
| 67936 | One Nation Under Stress | Digital Video Disc | 45 minutes | 1988 |
| 10889 | One of Five: Families Coping With Mental Disorders | Video Cassette | 28 minutes | 2003 |
| 11446 | One Shot: The Life and Work of Teenie Harris | Video Cassette | 57 minutes | 2001 |
| 68239 | One Six Right | Digital Video Disc | 1 hour, 13 minutes | 2005 |
| 83653 | One Step in a Journey: Tadashi Suzuki in Australia | Video Cassette | 54 minutes | 1993 |
| 66998 | One Survivor Remembers | Digital Video Disc | 39 minutes | 1995 |
| 81286 | One Survivor’s Message: Don’t Kill Yourself | Video Cassette | 24 minutes | 1997 |
| 65117 | One True Thing | Digital Video Disc | 2 hours, 8 minutes | 1998 |
| 7275 | One Way or Another | 16mm | 1 hour, 18 minutes | 1977 |
| 67546 | One Wedding and a ... Revolution | Digital Video Disc | 19 minutes | 2004 |
| 67804 | One Woman, One Vote | Digital Video Disc | 1 hour, 48 minutes | 1995 |
| 85731 | One Woman, One Vote | Video Cassette | 1 hour, 48 minutes | 1995 |
| 89188 | One Year of Mourning | Video Cassette | 11 minutes | 1994 |
| 83880 | One, Two, Three | Video Cassette | 1 hour, 49 minutes | 1961 |
| 89574 | One-eyed Jacks [extended play speed] | Video Cassette | 2 hours, 22 minutes | 1961 |
| 61543 | The Onion Field | Laser Disc | 2 hours, 6 minutes | 1979 |
| 89560 | Online Testing: Assessment and Evaluation of Distance Learners | Video Cassette | 1 hour, 28 minutes | 1999 |
| 88686 | Only a Bridge? A Film on Scientific Integrity | Video Cassette | 8 minutes | 1996 |
| 84382 | Only In China: Volume 1 | Video Cassette | 1 hour, 43 minutes | 199- |
| 84383 | Only In China: Volume 2 | Video Cassette | 1 hour, 43 minutes | 199- |
| 87311 | Only The Ball Was White | Video Cassette | 29 minutes | 1992 |
| 60735 | Only When I Laugh | Laser Disc | 2 hours, | 1981 |
| 89305 | Onward Christian Soldiers | Video Cassette | 55 minutes | 1995 |
| 7194 | Open City | 16mm | 1 hour, 40 minutes | 1945 |
| 66530 | Open City ( Roma, Città Aperta ) | Digital Video Disc | 1 hour, 42 minutes | 1946 |
| 10311 | Open for Business | Video Cassette | 29 minutes | 1992 |
| 10312 | Open for Business | Video Cassette | 29 minutes | 1992 |
| 10313 | Open for Business | Video Cassette | 17 minutes | 1992 |
| 10314 | Open for Business | Video Cassette | 17 minutes | 1992 |
| 66525 | Open Range | Digital Video Disc | 2 hours, 19 minutes | 2003 |
| 66526 | Open Range: 2. Bonus Materials | Digital Video Disc | N. A. | 2003 |
| 85097 | Open the Gate | Video Cassette | 1 hour | 1993 |
| 11181 | Opening All Doors: Part 1 | Video Cassette | 1 hour, 32 minutes | 1992 |
| 11182 | Opening All Doors: Part 2 - A Closer Look at Title 1 | Video Cassette | 1 hour, 6 minutes | 1992 |
| 66427 | Opening Night | Digital Video Disc | 2 hours, 24 minutes | 1977 |
| 68622 | L’ Opera de Quat’sous [ The Threepenny Opera ] | Digital Video Disc | 1 hour, 42 minutes | 1931 |
| 11696 | Opera Imaginaire | Video Cassette | 51 minutes | 1993 |
| 88943 | La Operación | Video Cassette | 40 minutes | 1982 |
| 85001 | Operating Systems Architecture in the 1990s | Video Cassette | 50 minutes | 1990 |
| 7007 | Operation Abolition | 16mm | 45 minutes | 1960 |
| 88460 | Operation and Maintenance of the Video System | Video Cassette | 30 minutes | 1980 |
| 7005 | Operation Correction | 16mm | 47 minutes | 1961 |
| 87854 | The Operation: Back Microsurgery | Video Cassette | 45 minutes | 1993 |
| 88915 | Operations Research to Design a Printer Production Line: Hewlett Packard | Video Cassette | 44 minutes | 1997 |
| 65064 | The Opposite of Sex | Digital Video Disc | 1 hour, 40 minutes | 1998 |
| 10983 | Optical Nerves: Barbara Hammer | Video Cassette | 52 minutes | 1989 |
| 67877 | Optimal Aging: Slowing Down the Clock | Digital Video Disc | 26 minutes | 2000 |
| 83728 | The Optimists | Video Cassette | 1 hour, 22 minutes | 2001 |
| 81409 | Optimization of Running and Jumping | Video Cassette | 51 minutes | 1993 |
| 26197 | Optimizing Intelligences: Thinking, Emotion & Creativity [Dual] | CD-ROM | N. A. | 2002 |
| 40030 | Options for At-Risk Youth: A Guide for Educators and Recreation Providers | Multimedia | 28 minutes | 1991 |
| 84573 | Oracle Rising: The Psychedelic Newspaper of the Haight Ashbury 1966-68 | Video Cassette | 56 minutes | 1992 |
| 10295 | Oral Care for the Dependent Patient | Video Cassette | 21 minutes | 1990 |
| 82683 | Oral Facial Examination in Speech Pathology | Video Cassette | 1 hour, 49 minutes | 1982 |
| 87148 | Oranges Are Not the Only Fruit [Part 1] | Video Cassette | 1 hour, 20 minutes | 1989 |
| 87149 | Oranges Are Not the Only Fruit [Part 2] | Video Cassette | 1 hour, 24 minutes | 1989 |
| 10787 | Oratorio for Prague | Video Cassette | 30 minutes | 1990 |
| 65034 | Orchestra Rehearsal | Digital Video Disc | 1 hour, 12 minutes | 1979 |
| 85734 | Order, Order! Britain’s Parliament at Work | Video Cassette | 53 minutes | 1992 |
| 66714 | The Order: From Matthew Barney’s Cremaster Cycle 3 | Digital Video Disc | 31 minutes | 2003 |
| 66076 | Ordinary People | Digital Video Disc | 2 hours, 4 minutes | 1980 |
| 82052 | The Oresteia: 1. Agamemnon | Video Cassette | 1 hour, 35 minutes | 1983 |
| 82053 | The Oresteia: 2. Libation Bearers | Video Cassette | 1 hour, 10 minutes | 1983 |
| 82054 | The Oresteia: 3. Furies | Video Cassette | 1 hour, 10 minutes | 1983 |
| 89510 | Orff Schulwerk: A " Simple Gift " to Music Education | Video Cassette | 30 minutes | 1997 |
| 83016 | Organ Farm | Video Cassette | 1 hour, 44 minutes | 2001 |
| 10920 | Organic Clean-up: Microbes and Pollution | Video Cassette | 28 minutes | 1996 |
| 20032 | Organic Reaction Animations v2.0 [MAC] | CD-ROM | N/A | 2000 |
| 88928 | Organizational Culture | Video Cassette | 12 minutes | 1999 |
| 88581 | Organizing America: A History of Trade Unions in the U. S. | Video Cassette | 39 minutes | 1994 |
| 10851 | Organizing for Literacy: 2. Learning About Reading | Video Cassette | 30 minutes | 1999 |
| 85117 | Orgasmic Expulsions of Fluid in the Sexually Stimulated Female | Video Cassette | 9 minutes | 1981 |
| 82653 | Orientation & Mobility: As I See It | Video Cassette | 18 minutes | 198- |
| 80927 | Orientations: Lesbian & Gay Asians | Video Cassette | 56 minutes | 1984 |
| 20028 | Origami: The Secret Life of Paper [Mac] | CD-ROM | N/A | 1996 |
| 67404 | The Origin and Evolution of Life | Digital Video Disc | 45 minutes | 2004 |
| 81889 | The Origin of AIDS: Mystery of the Chimpanzees | Video Cassette | 21 minutes | 1999 |
| 88772 | The Origin of Life: Researching the Possibilities | Video Cassette | 53 minutes | 1993 |
| 89152 | Origin of the Gangster Film: The Narrow Road / Alias Jimmy Valentine | Video Cassette | 18/65 minutes | 1912/15 |
| 85002 | The Origins of ATM | Video Cassette | 57 minutes | 1994 |
| 80741 | Origins of Cinema: Volume 1 | Video Cassette | 1 hour, 35 minutes | 19-- |
| 80742 | Origins of Cinema: Volume 2 | Video Cassette | 1 hour, 52 minutes | 19-- |
| 80743 | Origins of Cinema: Volume 3 | Video Cassette | 1 hour, 35 minutes | 19-- |
| 80744 | Origins of Cinema: Volume 4 | Video Cassette | 1 hour, 43 minutes | 19-- |
| 80745 | Origins of Cinema: Volume 5 | Video Cassette | 1 hour, 42 minutes | 19-- |
| 80746 | Origins of Cinema: Volume 6 | Video Cassette | 1 hour, 45 minutes | 19-- |
| 66999 | Origins of India’s Hindu Civilization | Digital Video Disc | 22 minutes | 1996 |
| 85194 | Origins of Music and Musical Instruments | Video Cassette | 39 minutes | 1994 |
| 89151 | Origins of the Fantasy Feature: The Patchwork Girl of Oz / A Florida Enchantment | Video Cassette | 67/63 minutes | 1914 |
| 68241 | Origins of the Mafia: 1 / 2 / 3 | Digital Video Disc | 2 hours, 33 minutes | 1976 |
| 68242 | Origins of the Mafia: 4 / 5 | Digital Video Disc | 1 hour, 42 minutes | 1976 |
| 3197 | Origins of the Motion Picture | 16mm | 21 minutes | 1955 |
| 66531 | Origins: 1. Earth is Born / 2. How Life Began | Digital Video Disc | 52/52 minutes | 2004 |
| 66532 | Origins: 3. Where Are the Aliens? / 4. Back to the Beginning | Digital Video Disc | 52/52 minutes | 2004 |
| 61250 | Orlando | Laser Disc | 1 hour, 33 minutes | 1992 |
| 85587 | The Orphan Trains | Video Cassette | 55 minutes | 1995 |
| 65709 | Orphans | Digital Video Disc | 1 hour, 38 minutes | 1997 |
| 61545 | Orphans of the Storm | Laser Disc | 2 hours, | 1921 |
| 65707 | Orphée | Digital Video Disc | 1 hour, 35 minutes | 1950 |
| 84946 | Orphée | Video Cassette | 1 hour, 35 minutes | 1950 |
| 11641 | Osaka Elegy ( Naniwa Erejî ) | Video Cassette | 1 hour, 12 minutes | 1936 |
| 66700 | Osama | Digital Video Disc | 1 hour, 23 minutes | 2004 |
| 66278 | Osama Bin Laden: In the Name of Allah | Digital Video Disc | 45 minutes | 2001 |
| 61791 | Oscar | Laser Disc | 1 hour, 49 minutes | 1991 |
| 86450 | Oscar Peterson: The Life of a Legend Part 1 | Video Cassette | 48 minutes | 1992 |
| 86451 | Oscar Peterson: The Life of a Legend Part 2 | Video Cassette | 49 minutes | 1992 |
| 83303 | Oscar W. Underwood | Video Cassette | 50 minutes | 1964 |
| 81390 | Oscar Zariski and His Work | Video Cassette | 53 minutes | 1988 |
| 83508 | Oscilloscopes | Video Cassette | 25 minutes | 1992 |
| 66533 | Ossessione ( Obsession ) | Digital Video Disc | 2 hours, 15 minutes | 1942 |
| 89225 | Ossessione ( Obsession ) | Video Cassette | 2 hours, 18 minutes | 1942 |
| 85405 | Osteo- and Rheumatoid Arthritis | Video Cassette | 20 minutes | 1992 |
| 85406 | Osteoporosis | Video Cassette | 19 minutes | 1988 |
| 86189 | Osteoporosis | Video Cassette | 24 minutes | 1995 |
| 80835 | Osteoporosis: Prevention and Treatment | Video Cassette | 52 minutes | 1987 |
| 83110 | Osteoporosis: What Every Woman Should Know | Video Cassette | 15 minutes | 1997 |
| 89592 | Ostre Sledované Vlaky ( Closely Watched Trains ) | Video Cassette | 1 hour, 29 minutes | 1966 |
| 67315 | OT: our town | Digital Video Disc | 1 hour, 17 minutes | 2006 |
| 67805 | Otaku no Video | Digital Video Disc | 1 hour, 40 minutes | 1982 |
| 61546 | Othello | Laser Disc | 1 hour, 32 minutes | 1952 |
| 65292 | Othello | Digital Video Disc | 2 hours, 3 minutes | 1995 |
| 65337 | Othello | Digital Video Disc | 3 hours, 28 minutes | 1981 |
| 88424 | Othello | Video Cassette | 4 hours, | 1981 |
| 80299 | The Other Bridge | Video Cassette | 27 minutes | 1984 |
| 68569 | The Other Europe | Digital Video Disc | 58 minutes | 2006 |
| 86545 | The Other Half Revisited: The Legacy of Jacob A. Riis | Video Cassette | 59 minutes | 1996 |
| 81471 | The Other Immigrants: Importing Our Brain Power | Video Cassette | 57 minutes | 2000 |
| 87906 | The Other Pole of the Human Mind: An Introduction to Chinese Cultural Values | Video Cassette | 56 minutes | 1996 |
| 60720 | The Other Side of Nashville | Laser Disc | 1 hour, 58 minutes | 1983 |
| 85258 | The Other Side of the News: 3. Anonymous Sources | Video Cassette | 58 minutes | 1988 |
| 10218 | Otomo | Video Cassette | 1 hour, 22 minutes | 1999 |
| 85600 | Ottoman Supremacy: The Süleimaniye, Istanbul | Video Cassette | 25 minutes | 1989 |
| 66534 | Our America | Digital Video Disc | 1 hour, 35 minutes | 2001 |
| 87655 | Our Burmese Days | Video Cassette | 1 hour, 30 minutes | 1995 |
| 88924 | Our Children at Risk | Video Cassette | 57 minutes | 1991 |
| 61548 | Our Daily Bread | Laser Disc | 1 hour, 14 minutes | 1934 |
| 65293 | Our Daily Bread and Other Films of the Great Depression | Digital Video Disc | 3 hours, 14 minutes | 1934-40 |
| 85423 | Our Families, Our Future | Video Cassette | 56 minutes | 1993 |
| 66271 | Our Genes / Our Choices: 1. Who Gets to Know? | Digital Video Disc | 57 minutes | 2003 |
| 66272 | Our Genes / Our Choices: 2. Making Better Babies | Digital Video Disc | 57 minutes | 2003 |
| 66273 | Our Genes / Our Choices: 3. Genes on Trial | Digital Video Disc | 57 minutes | 2003 |
| 1547 | Our Lady of the Sphere | 16mm | 10 minutes | 1969 |
| 67000 | Our Town | Digital Video Disc | 1 hour, 59 minutes | 2003 |
| 80004 | Our Town | Video Cassette | 1 hour, 29 minutes | 1940 |
| 82222 | " Our Town" and Our Universe | Video Cassette | 29 minutes | 1959 |
| 82223 | " Our Town" and Ourselves | Video Cassette | 30 minutes | 1959 |
| 88757 | Out at Work | Video Cassette | 55 minutes | 1996 |
| 87437 | Out For A Change: Addressing Homophobia in Women’s Sports | Video Cassette | 28 minutes | 1994 |
| 10664 | Out in South Africa | Video Cassette | 51 minutes | 1994 |
| 60771 | Out of Africa | Laser Disc | 2 hours, 41 minutes | 1985 |
| 83057 | Out of Asia | Video Cassette | 50 minutes | 1997 |
| 10865 | Out of Control Kids: Living with A. D. H. D. | Video Cassette | 44 minutes | 2001 |
| 10231 | Out of Ireland | Video Cassette | 1 hour, 54 minutes | 1994 |
| 11447 | Out of Obscurity | Video Cassette | 40 minutes | 1999 |
| 80348 | Out of the Ashes [ 1917-1945 ] | Video Cassette | 1 h hour | 1984 |
| 88127 | Out of the Blacks into the Blues Part 1: Along the "Old Man River" | Video Cassette | 52 minutes | 1992 |
| 84560 | Out of the Mouths of Babes | Video Cassette | 28 minutes | 1973 |
| 83239 | Out of the Past | Video Cassette | 1 hour, 8 minutes | 1997 |
| 86091 | Out of the Past: 1. New Worlds | Video Cassette | 58 minutes | 1992 |
| 86092 | Out of the Past: 2. The Hearth | Video Cassette | 1 h hour | 1993 |
| 86093 | Out of the Past: 3. Artisans and Traders | Video Cassette | 58 minutes | 1992 |
| 86094 | Out of the Past: 4. Signs and Symbols | Video Cassette | 58 minutes | 1992 |
| 86095 | Out of the Past: 5. Power, Prestige, and Wealth | Video Cassette | 58 minutes | 1992 |
| 86096 | Out of the Past: 6. Realms | Video Cassette | 58 minutes | 1992 |
| 86097 | Out of the Past: 7. The Spirit World | Video Cassette | 58 minutes | 1992 |
| 86098 | Out of the Past: 8. The Collapse | Video Cassette | 58 minutes | 1992 |
| 67937 | Out of the Shadow | Digital Video Disc | 1 hour, 7 minutes | 2004 |
| 61792 | Out West Down Under | Laser Disc | 48 minutes | 1990 |
| 81088 | Out! [ Making Schools Safe for Gay Teens - Staff Version ] | Video Cassette | 42 minutes | 1999 |
| 81087 | Out! [ Making Schools Safe for Gay Teens - Student Version ] | Video Cassette | 26 minutes | 1999 |
| 11356 | Outbreak | Video Cassette | 22 minutes | 2003 |
| 61552 | The Outer Limits: Cold Hands, Warm Heart / The Chameleon | Laser Disc | 52/52 minutes | 1964 |
| 61551 | The Outer Limits: Demon With a Glass Hand / Soldier | Laser Disc | 52/52 minutes | 1964 |
| 61553 | The Outer Limits: Sandkings | Laser Disc | 1 hour, 32 minutes | 1995 |
| 61549 | The Outer Limits: The Galaxy Being / The Architects of Fear | Laser Disc | 53/52 minutes | 1963 |
| 61550 | The Outer Limits: The Mutant / Fun and Games | Laser Disc | 52/52 minutes | 1964 |
| 66535 | Outfoxed: Rupert Murdoch’s War on the News | Digital Video Disc | 1 hour, 17 minutes | 2004 |
| 65118 | Outland | Digital Video Disc | 1 hour, 50 minutes | 1981 |
| 88128 | The Outlaw Josey Wales | Video Cassette | 2 hours, 16 minutes | 1976 |
| 85577 | The Outrage | Video Cassette | 1 hour, 37 minutes | 1964 |
| 61401 | Outrage at Valdez | Laser Disc | 48 minutes | 1989 |
| 10469 | Outremer ( Overseas ) | Video Cassette | 1 hour, 39 minutes | 1990 |
| 81415 | Outside In | Video Cassette | 22 minutes | 1994 |
| 61793 | The Outsiders | Laser Disc | 1 hour, 31 minutes | 1983 |
| 80191 | The Outskirts of Hope | Video Cassette | 54 minutes | 1982 |
| 86452 | Over the Hedge | Video Cassette | 10 minutes | 1992 |
| 80284 | The Overcoat | Video Cassette | 1 hour, 13 minutes | 1959 |
| 80614 | Overcoming Irrational Fear of AIDS | Video Cassette | 22 minutes | 1987 |
| 66537 | Overcoming Personal Racism: What Can I Do? | Digital Video Disc | 54 minutes | 2000 |
| 81270 | Overcoming Procrastination | Video Cassette | 12 minutes | 1999 |
| 85409 | Overmedicating the Elderly | Video Cassette | 30 minutes | 1988 |
| 82024 | Overseas Traffic Liability | Video Cassette | 21 minutes | 1985 |
| 67806 | The Overspent American: Why We Want What We Don’t Need | Digital Video Disc | 32 minutes | 2003 |
| 85003 | An Overview of Intel’s Pentium Processor | Video Cassette | 37 minutes | 1993 |
| 86550 | An Overview of Recovery and Relapse: The Relapse Process | Video Cassette | 36 minutes | 1986 |
| 11572 | Owl and the Raven: An Eskimo Legend | Video Cassette | 7 minutes | 1973 |
| 11573 | The Owl Who Married a Goose: An Eskimo Legend | Video Cassette | 8 minutes | 1974 |
| 84158 | The Ox-Bow Incident | Video Cassette | 1 hour, 15 minutes | 1943 |
| 40080 | The Oxford English Dictionary on Compact Disc [Mac] | Multimedia | N/A | 1992 |
| 40081 | The Oxford English Dictionary on Compact Disc [PC] | Multimedia | N/A | 1992 |
| 83353 | Oxy-Acetlene Welding: Safety and Introduction | Video Cassette | 25 minutes | 1991 |
| 10922 | The Oxygen Partnership | Video Cassette | 20 minutes | 1996 |
| 89691 | Oxygen: The Poison Gas | Video Cassette | 50 minutes | 1998 |