- Civilization4
- Clare, of Assisi, Saint, 1194-12533
- Clare, of Assisi, Saint, 1194-1253.1
- Clasp straps1
- Clasps29
- Classical biography1
- Classical dictionaries1
- Classical literature4
- Classical period, 1500-17001
- Classification of sciences5
- Clement VII, Pope, 1478-15343
- Clement VIII, Pope, 1536-16051
- Clementinae constitutiones (Catholic Church)1
- Clergy6
- Clergy--Appointment, call, and election13
- Clergy--Clothing1
- Clergy--Office1
- Clergy--Pensions1
- Clergy--Prayers and devotions1
- Clergy--Taxation1