- 1 Romer, Anne, 1827-1852
- 1 Romer, Betty Lemon, 1844-1916
- 1 Romer, Charles, 1823-1899
- 1 Romuald, Saint, ca. 951-1027
- 1 Ronaldson's Cemetery
- 1 Roof Reading Room
- 4 Roofing slate
- 2 Roofing tile
- 8 Roofs
- 8 Rooftops
- 1 Rooms
- 1 Roop's Inn
- 24 Roosevelt Boulevard
- 1 Roosevelt Theatre
- 9 Roosevelt, Franklin D., 1882-1945
- 2 Roosevelt, Theodore, 1858-1919
- 22 Roosters
- 2 Roosters (birds)
- 1 Roots (plant components)
- 3 Rope Ferry Road
- 8 Rope industry
- 1 Rope skipping
- 1 Roper's Iron Foundry
- 12 Ropes
- 2 Ropewalks
- 2 Roping
- 1 Rorer Street
- 3 Rorstrand Stock Co. (Limited)
- 2 Rosaries
- 1 Rose (Sculpture)
- 1 Rose Family cemetery
- 5 Rose hip
- 1 Rose, Cheri, 1824-1861
- 1 Rose, William Trowel Factory
- 1 Rosemont Cafe
- 6 Rosemont, Pennsylvania
- 2 Rosenbach, A. S. W.
- 7 Rosengarten & Sons
- 1 Rosengarten, George P.
- 71 Roses
