Creator
- Rathburn, Lorenzo E.1
- Ravell, Thomas F.1
- Raymond Bonnefond (Firm)1
- Red Cedar Shingle Bureau1
- Red Cedar Shingle Manufacturers' Association1
- Reed, Ferdinanda W.1
- Reed, John E.1
- Religious Coalition for Abortion Rights1
- Renaux, Edouard1
- Reppert, E. B.1
- Rhea, David1
- Rhinocon1
- Rhode Island School of Design1
- Richardson, A. E. (Albert Edward), Sir, 1880-19641
- Richardson, Clifton Frederick, Sr.1
- Richardson, Dan1
- Richardson, Henry H.1
- Ridgely, Samuel C.1
- Riesner, B. A.1
- Robert L. Browning Photographic Services1