- Patrick, Saint, 373?-463?1
- Philip II, King of Macedonia, 382 B.C.-336 B.C.1
- Philosophy and religion1
- Prayer--Islam1
- Prices (Provenance)1
- Provenance labels1
- Qurʼan1
- Recitations1
- Relations1
- Religious drama, French1
- Religious poetry, Italian1
- Responsa1
- Robert, King of Naples, approximately 1275-13431
- Romances, Latin (Medieval and modern)1
- Romaniots1
- Rules1
- Saints--Cult1
- Saladin, Sultan of Egypt and Syria, 1137-11931
- Samaritan Aramaic language1
- Sayf, King of Yemen, approximately 516-approximately 5741