Title
- Carmine alla beata vergine Maria1
- Chinese Buddhist canon1
- Chronica summorum pontificum et imperatorum Romanorum1
- Chronicles1
- Commandments1
- Commentary1
- Commentary on Isaiah1
- Commentary on Sentences1
- Commentary on decretals1
- Commentary on the Ephemerides1
- Complementum in partem III summae S. Thomae de Aquino1
- Confessional1
- Consolation of Philosophy1
- Contra impedimiam1
- Coptic texts1
- Cronica dela destrucion y renuevo de las españas1
- De Merles1
- De casibus virorum illustrium1
- De chorographia1
- De fide ad gratianum augustum libri quinque1