- Charles IV, Duke of Lorraine, 1604-16751
- Christian saints1
- Chronicles1
- Church history1
- Cistercian monasteries1
- Civil law1
- Clare, of Assisi, Saint, 1194-12531
- Clasps1
- Clergy--Appointment, call, and election1
- Commentaries1
- Commonplace books1
- Consanguinity (Canon law)1
- Coplas1
- Criticism and interpretation1
- Criticism, interpretation, etc.1
- Crucifixion of Jesus Christ1
- Debtor and creditor1
- Debts, External1
- Della Rovere, Francesco Maria, duca d'Urbino, 1548-16311
- Dialogues (Literature)1