- Poverty--Religious aspects--Christianity1
- Prayer books1
- Prayer--Judaism1
- Property1
- Prophecies1
- Protogothic1
- Purity, Ritual--Judaism1
- Ramiro II, King of Leon, -9511
- Reading1
- Relations1
- Religious life1
- Revolutions1
- Rufina, Saint, -approximately 2871
- Sancho Garcés I, King of Navarre, -9251
- Sancho II, King of Castile and Leon, 1037 or 1038-10721
- Sarmiento, Pero. Sentencia-Estatuto1
- Satire1
- Satires1
- Sententiarum libri IV (Peter Lombard, Bishop of Paris)1
- Sepúlveda, Juan Ginés de, 1490-15731