- Post, Marion (photographer, Farm Security Administration)16
- Quinby & Co. (Publisher)16
- Souder, S.T. (Photographer)16
- Trenholm, Alfred Glover, 1874-195216
- Cook, Geo. L. (Photographer)15
- Havens, O. Pierre (Photographer)15
- Kilburn, B. W. (Benjamin West) (Photographer)15
- United States. Dept. of Agriculture. Commodity Stabilization Service15
- Cook, George S. (Photographer)14
- United States. Dept. of Agriculture. Production and Marketing Administration12
- Bolles, Jesse A (Photographer)11
- Heliotype Printing Company of Boston11
- Tarbox, Frank G., Jr.10
- The U.S. Department of the Interior10
- Palmer, James A. (Photographer)9
- Taylor, John C. (Photographer)9
- U.S. Wildlife Service9
- Hubbard and Mix (Beaufort, S.C.) (Firm)8
- Keystone View Company (Publisher)8
- Stacy, George (Photographer)8