- 4 Cafeterias
- 1 Caffrey Building
- 8 Cage, John, 1912-1992
- 6 Cages
- 1 Cahill, T.E. & Co.
- 3 Caiaphas, High priest, 1st cent.
- 2 Caillaux, Joseph, 1863-1944
- 1 Cain (Biblical figure)
- 35 Cairo, Egypt
- 3 Cakes
- 1 Calais, France
- 1 Calculator industry
- 1 Calculators
- 5 Caldecott, Randolph, 1846-1886
- 7 Calder, Alexander Milne, 1846-1923
- 8 Calder, Alexander Stirling
- 1 Caldera, Chile
- 1 Calderon, Frances (Fanny), 1804-1882
- 1 Caldwell, James Ernest
- 1 Caleb F. Clarke & Co.
- 1 Caledonia Baptist Mission
- 16 Calendars
- 1 Calfs
- 7 Calico
- 26 California
- 1 California Hotel
- 5 California State Building
- 1 Call (Philadelphia, Pa. : Daily)
- 333 Calligraphy
- 1 Callot, Jacques.
- 33 Callowhill Street
- 1 Callowhill Street
- 1 Callowhill Street
- 1 Callowhill Street
- 11 Callowhill Street Bridge
- 1 Caltha palustris (species)
- 1 Calumet Street
- 1 Calvary Presbyterian Church
- 1 Calvert & Holloway Tin Plate Metals (Firm)
- 1 Calvi, Pietro
