Collection
- Notes By The Way - Journal of a New York State Monument Manufacturer on a trip to Florida, 1855-1856, Date acquired: 02/18/19581
- Nyr Indictor Alphabet Collection, 1820-20051
- Oath of Allegiance and Parole of Honor of Confederate Veterans, 1862-18651
- Oaths of Allegience to the Confederate States of America, bulk 18611
- Oaths of Confederate Veterans Reinstated as U.S. Citizens, 18651
- Odas Rankin collection, August 19, 1944, Date accessioned: 2006-05-231
- Odd Demonstration Play, 19401
- Office of Faculty Advancement Collection, Undated1
- Office of Graduate Studies Records, Undated1
- Office of Inspector General Services Records, 1995-20051
- Office of the Inspector General, Undated1
- Office of the President, 1970-20141
- Oglesby Administration Records, 1947-20221
- Oglesby Student Union Scrapbooks and Records, 1940-19991
- Ola Mae Oldham Retirement Scrapbook, Circa 1960-19801
- Old Man Winter Cartoon, undated, undated1
- Old Presbyterian Church painting, undated1
- Olive Smith Scrapbook, 1912-19151
- Omicron Delta Kappa Batik, Undated1
- Omicron Delta Kappa Materials, 1940-19991