Collection
- Office of Alumni Engagement records1
- Office of the Bursar Records10
- Office of the President Timothy J. Sullivan records1
- Office of the President, John Augustine Smith Records2
- Office of the President. James Blair Records1
- Office of the President. James Madison Records1
- Offley Family Papers2
- Offley Family Papers 1826-19165
- Ogden Family Papers2
- Ogden family papers14
- Ohio County (W. Va.) Court Records and Miscellaneous Papers108
- Ohio Historical Papers1
- Oliver Perry Chitwood, Compiler, Research Notes About and Copies of Letters by John Tyler1
- Ollen Lawrence Burnette, Jr. papers5
- Ollinger Crenshaw Papers6