Encyclopedias, Almanacs, Transcripts, and Maps
- Baseball Crowds
- Baseball, Amateur
- Basedow, Johann Bernhard (1724–1790)
- Basel, Treaty of (1795)
- Bases Orgánicas
- Bashkirs
- Bashkirs
- Basic People's Congresses
- Basic Statements
- BASILECT
- Başiretci, Ali
- Basoga
- Basques in Latin America
- Basseri
- Basso Maglio, Vicente (1889–1961)
- Bassols, Narciso (1897–1959)
- Bastidas, Rodrigo de (c. 1460–1526)
- Basurto, Luis (1920–1990)
- Bataille, Georges (1897–1962)
- Batak