- Lusardi, Barbara A3
- Machamer, J.F.3
- Meyer, G.N3
- Minneapolis (Minn.). Engineer Department3
- Minnesota. Office of Railroad and Warehouse Commissioners3
- Nathan, H.D. (Geologist)3
- Palen, Barbara M.3
- Peterson, Todd A.3
- R.L. Polk & Co.3
- Sealing, H. E.3
- Setterholm, Dale R3
- Sloan, Robert E. (Robert Evan), 1929-3
- Stone, J. E. (John Elmer), 1931-3
- Sublette, G.W.3
- United States. Mississippi River Commission3
- United States. Office of Indian Affairs3
- Winchell, Horace V. (Horace Vaughn), 1865-19233
- Andreas, A. T. (Alfred Theodore), 1839-19002
- Aronow, Saul, 1923-2
- Balaban, N.H2