- North Carolina Cooperative Extension Service5
- North Carolina State University. College of Agriculture and Life Sciences5
- Lerby, R. W.2
- North Carolina Agricultural Extension Service2
- North Carolina. Department of Entomology2
- Ackerman, G. W.1
- Brannon, C. H. (Clarence Ham), 1900-19691
- Dickerson, W. A.1
- Hercules Incorporated1
- Jeter, F. H. (Frank Hamilton), 1891-19551
- North Carolina State University. Agricultural Chemicals School1
- Richey, Tom1
- Sherman, Franklin, 1877-19471
- United States. Extension Service1
- WRAL-TV1
- Wilkinson, Ray, 1925-20041
- Williams, Charles Burgess, 1871-19471
- Wray, John D.1