- 1 Boot Manufactory of Luxemburg
- 1 Booth Bros. (bottling house)
- 1 Booth, William
- 24 Booths
- 15 Boots
- 4 Borah, William Edgar, 1865–1940
- 1 Borden Coal
- 6 Bordentown, New Jersey
- 179 Borders (Ornament areas)
- 7 Borghi, Ambrogio
- 1 Borie & Mackie Stick Factory
- 1 Borie Banding House
- 3 Borneman, Henry Stauffer, 1870-1955
- 2 Borneo
- 2 Boroughs
- 1 Borrowers (library)
- 2 Bosna, Bosnia and Hercegovina
- 1 Bosporus, Turkey
- 4 Bosses
- 2 Bossism
- 1 Boston Dentists (Firm)
- 3 Boston Harbor
- 2 Boston Massacre, 1770
- 1 Boston Public Gardens
- 1 Boston Public Library
- 52 Boston, Massachusetts
- 7 Botanic Avenue
- 13 Botanical illustrations
- 3 Botanists
- 2 Botany
- 1 Bottinelli, Antonio
- 1 Bottle feeding
- 46 Bottles
- 6 Bottling plants
- 1 Boucher, François, 1703-1770
- 2 Boucheron (Firm)
- 2 Boucicault, Dion, 1820-1890
- 6 Boulders
- 4 Boulevards
- 10 Boulogne, France
