- 7 Bookbinding
- 6 Bookcases
- 1 Bookkeeping records
- 10 Booklets
- 2 Bookmarks
- 111 Bookplates
- 275 Books
- 502 Books of Hours
- 6 Booksellers
- 2 Bookselling
- 1 Book-sewing machines
- 7 Bookshelves
- 14 Bookstacks
- 11 Bookstores
- 1 Bookworks
- 1 Booms
- 2 Boone, Daniel
- 1 Boone's Dam
- 1 Boosey & Co.
- 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
- 7 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)
