Encyclopedias, Almanacs, Transcripts, and Maps
- Reghin
- Regiminis Apostolici
- Regina Caeli Laetare
- Reginald of Canterbury
- Reginald of Orléans, Bl.
- Reginald of Piperno
- Reginald, Valerius
- Regino of Prüm, Collection of
- Regis, John Francis, St.
- Regis, Pierre Sylvain
- Regner, Sidney L.
- Reguera, Emmanuel de la
- Regula Magistri
- Rehfisch, Hans Jose
- Rehine, Zalma
- Rehob
- Rehoboth
- Reḥov, Tel
- Reḥovot
- Reḥumei