- 1 Butler, C. M. (Clement Moore), 1810-1890
- 1 Butler, Pennsylvania
- 1 Butler, Thomas Belden, 1806 - 1873
- 25 Butterflies
- 2 Butterfly (Sculpture)
- 2 Buttermilk Tavern
- 1 Butterworth, H. W. & Sons Iron Foundry & Machine Shop
- 3 Butti, Enrico
- 1 Button, Stephen Decatur, Architect
- 2 Buttons (Fasteners)
- 5 Buttons (information artifacts)
- 3 Buttonwood Hotel
- 1 Buttonwood Mill
- 11 Buttonwood Street
- 4 Buttonwood Tavern
- 2 Buzzi Giberto, Cav. Luigi
- 2 Byberry City Farms
- 2 Byberry Hall
- 3 Byberry Road
- 1 Byron, George Gordon Byron, Baron, 1788-1824
- 1 C & J Sigler
- 2 C. Aultman & Co.
- 1 C. Blunck (Firm)
- 1 C. Brandt (Firm)
- 1 C. Bullot (Firm)
- 1 C. H. Garden & Co. (Firm)
- 1 C. H. Masland & Sons (carpet mills
- 1 C. Hoffman Machine Shop
- 1 C. J. Shaw & Co. (Firm)
- 1 C. Schlickeysen (Firm)
- 2 C. Schmidt & Sons
- 2 C. Torou (Firm)
- 1 C.A. Blessing (Firm)
- 1 C.A. Bradenburgh's Museum
- 1 C.A. Brown & Co. Cheap Book Store
- 1 C.A. Frees (Firm)
- 2 C.A. Kleemann (Firm)
- 1 C.A. Muller (Firm)
- 1 C.C. Reppe Beer Brewery
- 3 C.E. Wemple & Co.
