- Oaths from the Virginia Secretary of the Commonwealth,
1998-2013143
- Oaths of Enlistment of the Richmond Grays,
1900-19032
- ObaldÃa, Isabel de, 1957-. Artist file: miscellaneous uncatalogued material1
- Obata, Chiura. Artist file: miscellaneous uncatalogued material1
- Obelia "Bee" Graves Papers29
- Obelia "Bee" Graves Papers 1936-1945 1937-193952
- Obenshain Culinary Collection,3
- Obermeyer, Edward. Artist file: miscellaneous uncatalogued material1
- Oberteuffer, George, 1878-1940. Artist file: miscellaneous uncatalogued material1
- Oberteuffer, Karl. Artist file: miscellaneous uncatalogued material1
- Obituaries of Ritchie and Tyler County Residents1
- Obregon, Alejandro. Artist file: miscellaneous uncatalogued material1
- Obsidium Haffniense1
- Ocampo, Manuel, 1965-. Artist file: miscellaneous uncatalogued material1
- Ocean View, Seaside, and Seaview Amusement Parks Collection325