- Bulgaria--Sofia1
- Bulls, Papal18
- Buondelmonte, Piero1
- Burhān al-Sharīʻah, Maḥmūd ibn ʻUbayd Allāh, -1274 or 1275. Wiqāyat al-riwāyah6
- Burhān al-Sharīʻah, Maḥmūd ibn ʻUbayd Allāh, d. 1274 or 5. Wiqāyat al-riwāyah13
- Būstān (Saʻdī)1
- Cabala48
- Cairo Genizah8
- California--Berkeley21
- Calligraphy, Arabic1
- Campoy family1
- Capponi, Ludovico, 1533-16141
- Capponi, Matteo1
- Casini, Vergilio1
- Castile (Kingdom). Cortes1
- Castilla y León (Spain). Cortes2
- Catholic Church26
- Censored works1
- Census1
- Certificates1