- Biography3
- Bishops--Appointment, call, and election3
- Black Sea3
- Booksellers' copies3
- Booksellers' labels3
- Botany3
- Botany, Medical3
- Calendar3
- Calligraphy3
- Calligraphy--Technique3
- Catherine, of Siena, Saint, 1347-13803
- Catholic Church. Archdiocese of Siena (Italy)3
- Centerpiece and cornerpiece bindings3
- Charlemagne, Emperor, 742-8143
- Christian life--Catholic authors3
- Christian literature, Early3
- Christian pilgrims and pilgrimages3
- Christian poetry, English (Middle)3
- Christian saints--Cult3
- Chronologies3