- Portuguese1
- Poverty--Religious aspects--Christianity1
- Printed waste1
- 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
- Rueda family1
- Rueda, Baltasar de, active 1553-15691
- Rueda, Bernardino de, active 1553-15691
- Rueda, Luis de, active 1553-15691
- Rueda, Rodrigo de, active 1553-15691
- Rufina, Saint, -approximately 2871
- Sancho Garcés I, King of Navarre, -9251