| Abbreviation | Definition |
|---|---|
| BMNH | British Museum of Natural History |
| BNHG | Bloomingdale Neighborhood History Group |
| BNHS | Belfast Natural History Society |
| BNHS | Birmingham Natural History Society |
| BNHS | Bombay Natural History Society |
| BNMH | Belgian Network for Migration Historians |
| BOW | Bracket Of Words |
| BSHC | Bridge Street History Center |
| BSHM | British Society for the History of Mathematics |
| BSHM | British Society for the History Of Medicine |
| BSHN | Brisbane Southside History Network |
| BSHP | British Society for the History of Pharmacy |
| BSHP | British Society for the History of Philosophy |
| BSHS | British Society for the History of Science |
| BTS | British Titanic Society |
| BWBH | Black Women of Black History |
| BWCH | Biggest Wakeup Call in History |
| CAAH | Center for African American History |
| CAAH | Classical Archaeology and Ancient History |
| CAF | Confederate Air Force |