- North Carolina Cooperative Extension Service22
- North Carolina State College. Department of Entomology8
- North Carolina State College. Department of Agricultural Engineering7
- North Carolina State College. School of Agriculture7
- Giles, G. W. (George Wallace), 1910-20035
- Mistric, Walter Joseph, Jr.5
- United States. Congress5
- United States. Department of Agriculture5
- Jones, George D., 1904-4
- United States. Agricultural Research Service4
- Weldon, Nathaniel Warren4
- Guthrie, F. E. (Frank Edwin), 1923-19943
- Kulash, Walter Michael, 1912-19603
- North Carolina Agricultural Experiment Station3
- North Carolina Cotton Promotion Association, Inc.3
- Rabb, R. L.3
- WRAL-TV3
- American Society of Agricultural Engineers2
- Farm Equipment Institute2
- Lowry, Edward M.2