- North Carolina Cooperative Extension Service970
- North Carolina Agricultural Extension Service252
- North Carolina State College. Department of Agricultural Engineering105
- North Carolina Agricultural Experiment Station37
- North Carolina Agricultural Research Service26
- North Carolina State University. Department of 4-H Youth Development20
- Blair, E. C. (Enos Clarkson), 1892-197515
- Niswonger, H. R. (Holly Ray), 1883-195914
- Parrish, C. F.12
- Bennett, R. R. (Roy R.)11
- Hawks, S. N. (Stirling Norman)10
- Maupin, Carey J. (Carey Judson)10
- Schaub, I. O.9
- Garriss, Howard R. (Howard Reed), 1909-19767
- North Carolina Agricultural and Technical State University7
- Weaver, David S. (David Stathem), 1896-19667
- Arey, John A., 1887-19856
- Graeber, R. W. (Robert Walter), 1888-19676
- Jones, George D., 1904-6
- Kimrey, A. C. (Arthur Charm), 1890-19626