- Schoenborn, Edward Martin2
- Stiemke, Robert Edward2
- Upjohn, Hobart Brown, 1876-19492
- Adair, Robert B.1
- Agromeck (Raleigh, N.C.)1
- American Society of Agricultural Engineers1
- Brown, B. F. (Benjamin Floyd), 1920-1
- Cain, Ernest P.1
- Caldwell, John T. (John Tyler), 1911-19951
- Carson, Robert G.1
- Carson, Victor S.1
- Conner, Norval White, 1903-19751
- Diehl-Nagle, Sherra1
- Doody, Thomas Clare1
- Dow, Thomas A.1
- Feltner, Charles E.1
- Gorelick, Fred1
- Hemingway, Ernest, 1899-19611
- Holden, Gregory1
- Holder, Arthur1