Author
- Cato, Marcus Porcius 234-149 B.C 1
- Chilonis Epistula 1
- Chionis Epistula 1
- Chrysippus, ca. 280-207 or 6 B.C. 2
- Cicero, Marcus Tullius. 3
- Claudius 1
- Claudius Emperor of Rome 10 B.C.-54 A.D 1
- Claudius Emperor of Rome 10 B.C.-54 A.D. 1
- Cleobuli Epistula 1
- Cloatius Verus, 1st cent. B.C./1st cent. A.D. 1
- Clodius Licinus, C. 1st cent. B.C./1st cent. A.D. 1
- Coelius Antipater, Lucius 1
- Conon fl. 36 B.C.-17 A.D. 1
- Constantine Emperor of Rome d. 337 1
- Cratetis Epistulae 1
- Cyprian, Saint, Bishop of Carthage 3
- Demetrii Phalerei Epistula 1
- Diogenis Sinopensis Epistulae 1
- Dionis Epistulae 1
- Dionysius Antiochenus fl. 5/6 Jh. 1
