- Conscience1
- Conspiracy1
- Conspiracy of Catiline (Rome : 65-62 B.C.)1
- Constitutional law1
- Contemplation1
- Contracts1
- Convents1
- Cook family1
- Cook, John, -approximately 13681
- Cook, Margaret Hoskin, -approximately 13681
- Coptic Christian saints1
- Coptic Church1
- Coptic language--Glossaries, vocabularies, etc--Arabic--Early works to 18001
- Cords1
- Coronations1
- Corpus commentariorum Averrois in Aristotelem (Averroës)1
- Correspondence (Cyprian, Saint, Bishop of Carthage)1
- Cosmology, Ancient1
- Cost1
- Costa, Gaspar, active 1533-15341