- Bouchard family1
- Bracciolini, Poggio, 1380-14591
- Bracciolini, Poggio, 1380-1459. Correspondence1
- Breviary (Catholic Church)1
- Broadsides1
- Bucolica (Virgil)1
- Byzantine Empire1
- Caesarius, of Arles, Saint, 470?-5421
- Calendar, Roman1
- California--Malibu1
- Camaldolese1
- Canon law--Interpretation and construction1
- Carmelites1
- Casting off1
- Catherine, of Alexandria, Saint1
- Catholic Church. Diocese of Salisbury (England)1
- Catholic Church. Ordo divini officii (Archdiocese of Mainz : Rhineland-Palatinate, Germany)1
- Catholic almanacs1
- Catholic authors1
- Catholic church buildings1