- Charts, diagrams, etc.1
- Christian life1
- Christine, de Pisan, approximately 1364-approximately 1431. Enseignemens moraux1
- Cistercian monasteries1
- Civil law1
- Clare, of Assisi, Saint, 1194-12531
- Commonplace books1
- Compass1
- Conduct of life1
- Coplas1
- Criticism and interpretation1
- Criticism, interpretation, etc.1
- Crucifixion of Jesus Christ1
- Cuenca, Alonso Gaytan de1
- Cuenca, Francisco Gaytan de1
- Cuenca, Juan Gaytan de1
- De anima (Aristotle)1
- Death1
- Devices (Heraldry)1
- Devotional literature, Latin (Medieval and modern)1