Encyclopedias, Almanacs, Transcripts, and Maps
- Clement XIV, Pope
- Clement, Caesar
- Clementinae
- Clement°
- Clenock, Maurice (Clynnog)
- Cleodemus Malchus
- Cleomedes°
- Cleopas
- Cleopatra of Jerusalem
- Cleopatra°
- Clerical Dress (Canon Law)
- Clerical Marriage in Japan
- Clericalism
- Clericis Laicos
- Clerk, John
- Clerks Regular of the Mother of God
- Clermont-Ferrand
- Clermont-Ganneau, Charles°
- Clermont-Tonnerre, Anne Antoine Jules de
- Clermont-Tonnerre, Count Stanislas De°