Encyclopedias, Almanacs, Transcripts, and Maps
- Russian Philosophy
- Russian-Latin American Relations
- Russians
- Russian–Ottoman Wars
- Rustin, Bayard Taylor
- Ruth, George Herman ("Babe")
- Rutuls
- Ruysbroeck, Jan van (1293–1381)
- Rwandans
- Ryan, (Lynn) Nolan, Jr.
- Ryan, John William (“Jack”)
- Ryle, Gilbert (1900–1976)
- Ryun, James Ronald ("Jim")
- Ryun, James Ronald ("Jim")
- Sá e Benavides, Salvador Correia de (1602–1681)
- Sa'dan Toraja
- Sá, Estácio de (c. 1520–1567)
- Sá, Mem de (c. 1500–1572)
- Saadya (882–942)
- Saadya [Addendum] 882–942