- Rossi, Girolamo de'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
- Rules1
- Rural conditions16
- Russia (Federation)--Dagestan2
- Rāfiʻī, ʻAbd al-Karīm ibn Muḥammad, 1162-1226. ʻAzīz ʻalá al-Wajīz3
- Rāmizah fī ʻilmay al-ʻarūḍ wa-al-qāfiyah (Khazrajī, ʻAbd Allāh ibn ʻUthmān)2
- SS. Annunziata (Church : Florence, Italy)1
- Sacchetti, Angiolo1
- Sacraments--Catholic Church1
- Saints2
- Sajʻ1
- Salat1
- Sales (Islamic law)1
- Salt mines and mining1