Title
- Commentary on the Ephemerides1
- Commonplace book1
- Compendium morale1
- Compendium of biblical topics1
- Confessio amantis1
- Consolation of Philosophy1
- Contemplations of the dread and love of God1
- De Genesi ad litteram1
- De casibus virorum illustrium1
- De fide catholica contra Iudaeos1
- De hominis opificio1
- De improbatione concentricorum et epicyclorum1
- De institutione arithmetica1
- De legibus et consuetudinibus Angliae1
- De libero arbitrio1
- De quantitate animae1
- De regimine principum1
- De vera religione1
- De vita Caesarum1
- Decretals of Gregory IX1