Collection
- O'Shaughnessy Family Papers2
- O.D. Linder, Compiler, Genealogy Records Regarding the Boyce, Dever, Gibson, and Linder Families1
- Oak Grove Baptist Church Records1
- Office of Admission records3
- Office of Alumni Engagement records1
- Office of Communications and Marketing subject files5
- Office of the Bursar Records12
- Office of the President Timothy J. Sullivan records1
- Office of the President, John Augustine Smith Records2
- Office of the President. Benjamin Stoddert Ewell records3
- Office of the President. James Blair Records1
- Office of the President. James Madison Records1
- Office of the Superintendent correspondence2
- Offley Family Papers1
- Offley Family Papers 1826-19162