Encyclopedias, Almanacs, Transcripts, and Maps
- Consubstantiality
- Consultation on Church Union
- Consultation on Common Texts
- Contarini, Giovanni
- Contemplative Life
- Contempt of Court
- Contenson, Guillaume Vincent de
- Contraception
- Contractors
- Contradiction, Principle of
- Contrition
- Contritionism
- Contumely
- Convenientia, Argumentum Ex
- Conversion and Grace, Controversies On
- Conversion, I (in the Bible)
- Conversion, II (Theology of)
- Conversion, III (Psychology of)
- Conversos
- Converts and Conversion