- 2 Rogers Upright Piano Co.
- 1 Rogers, Fairman, 1833-1900
- 1 Rogers, Margaret
- 1 Rogers, Molly
- 1 Rogers, Randolph, 1825-1892.
- 2 Rogers, Samuel, 1763-1855
- 2 Roissman Stables
- 1 Roldán, Amadeo, 1900-1939
- 1 Rolland, William Rae (1817-1904)
- 1 Roller coasters
- 4 Roller conveyors
- 1 Roller skates
- 3 Rollers (Printing)
- 1 Rolleston, T. W. (Thomas William), 1857-1920
- 5 Rolling mills
- 1 Rolling pins
- 4 Roman Catholicism
- 23 Romances
- 1 Romanelli, Pasquale
- 1 Romanesque
- 9 Romanesque Revival
- 2 Romani, Carlo.
- 2 Romania
- 1 Romano, Giulio, 1499-1546
- 1 Romanus, Saint, 5th cent.
- 84 Rome, Italy
- 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
