- North Carolina Cooperative Extension Service11
- Morrow, Emmett Brown, 1896-19566
- North Carolina State University. Department of 4-H Youth Development4
- Slingerland, M. V. (Mark Vernon), 1864-19094
- North Carolina Agricultural Experiment Station3
- Slingerland, Effie Brown Earll3
- North Carolina State University. College of Agriculture and Life Sciences2
- Ackerman, G. W.1
- Blair, E. C. (Enos Clarkson), 1892-19751
- Hodges, Luther Hartwell1
- Keller, Kenneth Raymond1
- Kolbe, Melvin H.1
- Mills, Ralph1
- North Carolina State University1
- Reynolds, Hal1
- Shaw, Luther1
- Sutton, Brenda1
- United States. Extension Service1
- Wells, B. W. (Bertram Whittier), 1884-19781