Encyclopedias, Almanacs, Transcripts, and Maps
- Callistus Angelicudes
- Callistus I, Patriarch of Constantinople
- Callistus I, Pope, St.
- Callistus II Xanthopulus, Patriarch of Constantinople
- Callistus II, Pope
- Callistus III, Antipope
- Callistus III, Pope
- Callo, Marcel, Bl.
- Callus, Daniel Angelo Philip
- Calmanson, Jacob
- Calmer, Moses Eliezer Liefmann
- Calmet, Augustin (Antoine)
- Calmeyer, Hans-Georg°
- Calneh
- Caloca Cortés, Agustín, St.
- Calof, Rachel Bella Kahn
- Calov, Abraham
- CalÙ, Walter
- Calungsod, Pedro, Bl.
- Calvert