- Poets, Spanish--Classical period1
- Political science1
- Portuguese literature1
- Poverty--Religious aspects--Christianity1
- Press law1
- Prophecies1
- Race awareness1
- Racially mixed people--Legal status, laws, etc.1
- Ramiro II, King of Leon, -9511
- Registers (Lists)1
- Relations1
- Religious life1
- Revolutions1
- Romances, Spanish1
- Rome (Empire)1
- 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