- 7 Rats (animals)
- 1 Rattenberg, Austria
- 7 Ravens
- 3 Ravines
- 4 Raw land
- 1 Rawlinson, Robert, 1810-1898
- 1 Reactionary
- 4 Read, W.F. Victoria MIlls
- 4 Reade, Charles, 1814-1884
- 113 Reading
- 1 Reading rooms
- 9 Reading Terminal
- 16 Reading, Pennsylvania
- 1 Reagan Grate Bar Co.
- 1 Real Caledonia Factory (Milne, Caleb J.)
- 14 Real estate business
- 8 Real estate development
- 16 Real Estate Title Insurance & Trust Co.
- 1 Realf, Richard, 1834-1878
- 41 Realia
- 2 Ream, Vinnie, 1847-1914.
- 3 Rebecs
- 2 Rebels
- 3 Rebuke (Sculpture)
- 5 Receipts (financial records)
- 9 Receptions
- 1 Recipes
- 1 Reclining
- 2 Recognition
- 1 Reconstruction Finance Corporation (RFC)
- 2 Reconstructions (visual works)
- 1 Records schedules
- 3 Recovery
- 3 Recreation
- 4 Recreation at school (Sculpture)
- 2 Recreation rooms
- 19 Recruiting & enlistment
- 2 Recruiting stations
- 2 Red (color)
- 1 Red (communist)
