- Christian literature, Early1
- Christian literature, Latin (Medieval and modern)1
- Christian martyrs1
- Christian saints--Legends1
- Christian women saints1
- Chronology, Historical1
- Church calendar1
- Church history--Sources1
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- Cicero, Marcus Tullius1
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- Clare, of Assisi, Saint, 1194-12531
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- Clement VII, Pope, 1478-15341
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