Title
- Canterbury Tales1
- Carmina1
- Chanson d'aventure Florence de Rome1
- Chronica summorum pontificum et imperatorum Romanorum1
- Chronogram1
- Circa instans1
- Collectio Dionysio-Hadriana1
- Comediae1
- Commentarius in Claudii Ptolemaei Harmonica1
- Commentary on Decretals of Gregory IX1
- Commentary on Eusebius1
- Commentary on Genesis1
- Commentary on Jeremiah1
- Commentary on Psalms1
- Commentary on Sermon on the Mount1
- Commentary on Virgil1
- Commentary on decretals1
- Compendium logicae1
- Conditions for peace1
- Conferences1