- North Carolina State College. Department of Agricultural Engineering5
- North Carolina State University -- Research5
- North Carolina State University. Department of Biological and Agricultural Engineering5
- Weaver, David S. (David Stathem), 1896-19665
- Johnson, William H.3
- United States. Department of Agriculture3
- Hassler, Francis J.2
- Henson, Wiley H., Jr.2
- Kiviat, Philip J.2
- Splinter, William E.2
- Agricultural and Mechanical College of Texas. Dept. of Agricultural Engineering1
- American Society of Agricultural Engineers1
- Bowery, Thomas G.1
- Brady, Daniel E.1
- Campbell, John S.1
- Einstein, Albert, 1879-19551
- Farm Equipment Institute1
- Fox, William R.1
- Gordon, Pauline E.1
- Guthrie, F. E. (Frank Edwin), 1923-19941