- Clergy--Appointment, call, and election10
- Clergy--Office2
- Clergy--Taxation1
- Clerks of court1
- Cloth bindings2
- Clothing and dress1
- Clove trade2
- Clusius, Carolus, 1526-16091
- Cobelo family1
- Cocchi Donati, Antonio1
- Cocchi Donati, Piera1
- Codaro, Abramo1
- Coen, Caim, active 17th century1
- Coffee1
- Cofradía de la Transfixión de Zaragoza1
- Coligny, Gaspard de, seigneur de Châtillon, 1519-15721
- Collections1
- College teachers2
- Colleoni, Bartolomeo, 1400-14751
- Collégiale Saint-Vincent de Soignies1