Encyclopedias, Almanacs, Transcripts, and Maps
- Bukhara, Khanate and Emirate of
- Bukhari, Al- (810–870)
- Bukhtīshū'
- Bukiet, Melvin Jules
- Bukofzer, Manfred
- Bula, Raphael Moses
- Būlān
- Bulat, Judah ben Joseph
- Bulgakov, Macarius
- Bulgakov, Sergeĭ Nikolaevich
- Bulgaria, The Catholic Church in
- Bulgarian Catholic Church (Eastern Catholic)
- Bulgarian Literature
- Bulgaris, Eugenius
- Bulla Cruciata
- Bullaker, Thomas, Bl.
- Bulls, Papal
- Buloff, Joseph
- Bunderius, Jan (van den Bundere)
- Bunim, Irving M.