- 26 Burlington County, New Jersey
- 5 Burlington, New Jersey
- 4 Burnett, Fanny Dickens, 1810-1848
- 2 Burnett, Henry, 1811-1893
- 2 Burnham, Parry, Williams & Co.
- 2 Burning bush
- 1 Burnishing
- 3 Burns, Charles Marquedent (1838-1922), Architect
- 1 Burnside Mills
- 1 Burrough Building
- 4 Burt & Bros. Furniture Factory
- 1 Burt & Mears (Firm)
- 1 Burt, Edwin C. (Firm)
- 1 Burton, Virginia Lee, 1909-1968
- 35 Bus route maps
- 1 Bus terminals
- 7 Buses
- 2 Bush Hill Iron Works (Matheus & Moore)
- 8 Bushkill, Pennsylvania
- 2 Business & finance
- 30 Business districts
- 1 Business Progress Association
- 5 Business schools
- 46 Businesses (business enterprises)
- 9 Businessmen
- 1 Buss, Robert William, 1804-1875
- 19 Bustleton
- 16 Bustleton Avenue
- 5 Bustleton Hotel
- 53 Busts
- 2 Butcher shops
- 2 Butchers
- 2 Butchers and Drovers Tavern
- 1 Butcher's Hotel
- 2 Butler County, Pennsylvania
- 12 Butler Street
- 1 Butler, B.J. (Benjamin Franklin)
- 1 Butler, Benjamin Franklin, (1818-1893)
- 1 Butler, C. M. (Clement Moore), 1810-1890
- 1 Butler, Pennsylvania
