Encyclopedias, Almanacs, Transcripts, and Maps
- 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
- Rei?es
- Reich, Asher
- Reich, Ignác
- Reich, Koppel
- Reich, Leon
- Reich, Robert Bernard