- Rithmomachia (Game)1
- Roman Civil War (Rome : 43-31 B.C.)1
- Roman capitals (Lettering)1
- Romances, Latin (Medieval and modern)1
- Rome (Italy). Maestri delle Strade1
- Rosh Hodesh--Liturgy1
- Rosh ha-Shanah1
- Rossi, Azariah ben Moses dei, approximately 1511-approximately 1578. Tsedeḳ ʻOlamim1
- Rucellai, Cosimo, 1495-15191
- Rural conditions1
- Sabbath--Liturgy1
- Sacraments--Catholic Church1
- Saladin, Sultan of Egypt and Syria, 1137-11931
- Salutati, Coluccio, 1331-14061
- Science1
- Science, Ancient1
- Scissors and shears1
- Scotland1
- Scribes, Jewish1
- Seals1