- North Carolina Cooperative Extension Service4,155
- North Carolina Agricultural Extension Service1,571
- North Carolina State University. Department of 4-H Youth Development370
- Farm and Home Week220
- Graeber, R. W. (Robert Walter), 1888-1967184
- North Carolina Agricultural Experiment Station145
- North Carolina State College. School of Forestry84
- Fox, John W.74
- 4-H Youth Development Program (U.S.)72
- Barker, W. J.67
- Kaufman, C. M.65
- Bennett, Landis S. (Landis Seawell), 1908-63
- North Carolina State College54
- Arey, John A., 1887-198551
- Harrill, L. R. (Lera Rhinehart), 1897-197845
- North Carolina State University. College of Forest Resources44
- North Carolina State College of Agriculture and Engineering of the University of North Carolina42
- North Carolina State Fair39
- Mills, Ralph34
- Crampton and Deitrick33