- American Society of Agricultural Engineers1
- Barlow, Frank D. (Frank Downer), Jr., 1916-2
- Campbell, John S.1
- Capitol Agricultural Service and Supply Co.1
- Carleton, Walter M.1
- Chang, Changsoo3
- Cooley, Harold Dunbar, b. 18971
- Cooper, Robert A.2
- Corneli Seed Company1
- Covington, H. M.1
- Farm Equipment Institute1
- Farm Journal (Philadelphia, Pa. : 1956)1
- Flue-Cured Tobacco Farmer1
- Food Machinery and Chemical Corporation1
- Forster, G. W.1
- Fox, William R.1
- Giles, G. W. (George Wallace), 1910-20036
- Guthrie, F. E. (Frank Edwin), 1923-19941
- Hassler, Francis J.1
- Henson, Wiley H., Jr.1