- 3 Bradly Barnard (Firm)
- 3 Braga, Enrico
- 1 Bragg, Braxton, 1817-1876
- 1 Braham, John, 1774-1856
- 5 Brahmanism
- 1 Braille, Louis, 1809-1852
- 1 Braille, Louis, 1809-1852
- 1 Brakes
- 629 Branch libraries
- 1 Branch Office Prudential Insurance Company of America (Firm)
- 8 Branches (plant components)
- 1 Branchtown
- 2 Branchtown Hotel
- 2 Brandy
- 7 Brandywine River
- 2 Brandywine Springs, Delaware
- 4 Brandywine Street
- 1 Branson Machine Co. (knitting machinery)
- 1 Braquenme Freres
- 8 Brass industry
- 4 Brass instruments
- 5 Brasswork
- 2 Braucherei
- 1 Braunschweig, Germany (national district)
- 1 Brayton, George Bailey, 1830-1892
- 17 Brazil
- 1 Brazilian Cafe
- 3 Brazilian Commissioners Building
- 1 Brazilian Court
- 1 Brazilian Pavilion
- 1 Brazillian Cotton Pavilion
- 7 Bread
- 1 Bread baskets (containers for food service)
- 5 Bread Street
- 1 Breakfast rooms
- 2 Breaking
- 1 Breaks
- 1 Brecht, F. Cigar Box Factory
- 1 Breck, Samuel 1771-1862
- 1 Breckinridge, Robert Jefferson, 1800-1871
