- North Carolina Cooperative Extension Service75
- North Carolina Agricultural Extension Service30
- Caraccia, Mark20
- Danese, Carl20
- Way, Daniel S.12
- Cohen, Donald9
- Graeber, R. W. (Robert Walter), 1888-19676
- Murchison, Kenneth M.5
- Page, Rufus H.5
- Sturtevant, Robert Swann5
- Buchman, Tim3
- Dichens, Larry3
- North Carolina State University. Department of 4-H Youth Development3
- Fox, John W.2
- North Carolina State College. School of Forestry2
- North Carolina State University. College of Forest Resources2
- Sams, C. L.2
- Mattoon, Wilbur R.1
- Wells, B. W. (Bertram Whittier), 1884-19781