R
- Rank, Otto, Papers (UPT 50 R198)
- Ravdin, I.S. (Isadore Schwaner), Papers (UPT 50 R252)
- Read, Conyers, Papers (UPT 50 R282)
- Rehfuss, William Frederick, Scrapbook (UPT 50 R346)
- Report to the Middle States Association of Colleges and Secondary Schools (UPB 38)
- Richards Family Collection (UPT 50 R514.1)
- Richards, Alfred Newton, Papers (UPT 50 R514)
- Rieber, Alfred Joseph, Papers (UPT 50 R548)
- Rogers, Fairman, Papers (UPT 50 R725)