| Abbreviation | Definition |
|---|---|
| BLPES | British Library of Politics, Economics and Sociology (London School of Economics; England; UK) |
| BLTL | Business Letters Templates Library |
| BLUE | Best Library User Experience |
| BM&SJ | Boston Medical and Surgical Journal |
| BMI | Birmingham Medical Institute |
| BMJ | British Medical Journal |
| BML | Basic Matrix Library |
| BML | Blaisdell Medical Library |
| BML | Boston Medical Library |
| BML | Brighton Memorial Library |
| BNF | Biblioth??que Nationale de France |
| BNF | Bibliothèque Nationale de France |
| BNL | Bermuda National Library |
| BNMDDL | Broadband Network Management Development Document Library |
| BNNA | Bibliography of Native North Americans |
| BNU | Biblioth??que nationale et universitaire, |
| BNU | Bibliothèque nationale et universitaire, |
| BOCL | based Oligonucleotide Combinatorial Libraries |
| BOE | Board of Editors |
| BOLD | Belgian Online Libraries Directory |