Subject
- Boards of trade1
- Bolton, Henry Carrington, 1843-19039
- Bolton, James, 1812-18691
- Bolton, Nanette1
- Booth, Ann, 1772-18559
- Booth, George1
- Booth, James Curtis, 1810-1888776
- Borax1
- Borzano, M. F.1
- Brucite1
- Bucknell University1
- Bunsen, R. (Robert), 1811-18992
- Cameron, J. D. (James Donald), 1833-19181
- Carte de visite photographs1
- Charity3
- Charters and articles of incorporation1
- Chase, Salmon P. (Salmon Portland), 1808-18731
- Chemical elements1
- Chemical laboratories2
- Chemistry3