R
- Rabbits. (2)
- Radio broadcasting. (17)
- Radio stations. (29)
- Radios. (64)
- Railroad accidents. (1)
- Railroad cars. (3)
- Railroad companies. (1)
- Railroad crossings. (1)
- Railroad dining cars. (3)
- Railroad employees. (2)
- Railroad freight cars. (7)
- Railroad locomotive industry. (25)
- Railroad locomotives. (9)
- Railroad passenger cars. (1)
- Railroad shops & yards. (10)
- Railroad signals. (8)
- Railroad stations. (72)
- Railroad switching. ()
- Railroad tank cars. (1)
- Railroad tracks. (21)
- Railroads. (63)
- Raking (Sweeping). (3)
- Reading rooms. (21)
- Real estate business. (43)
- Recreation rooms. (12)
- Reflections. (45)
- Refrigerators. (51)
- Regattas. (17)
- Religious articles. (17)
- Religious books. (23)
- Religious communities. (11)
- Religious dwellings. (6)
- Religious education. (174)
- Religious facilities. (8)
- Religious services. (2)
- Remodeling. (114)
- Renderings. (81)
- Research facilities. (49)
- Reservoirs. (13)
- Restaurants. (114)
- Rewards & prizes. (12)
- Rites & ceremonies. (35)
- Rivers. (57)
- Road construction. (7)
- Roads. (78)
- Rock formations. (17)
- Rocks. (3)
- Roof gardens. (3)
- Roofs. (59)
- Roses. (2)
- Rotundas. (1)
- Row houses. (34)
- Rowers. (1)
- Ruins. (1)