- North Carolina Cooperative Extension Service80
- North Carolina Agricultural Extension Service78
- McCollum, John16
- Highsmith, Kyle15
- Graeber, R. W. (Robert Walter), 1888-196710
- North Carolina State University. College of Forest Resources5
- North Carolina State University. Department of 4-H Youth Development4
- Barker, W. J.2
- Welch, E. P.2
- Aspenwood Farm (Chatham County, N.C.)1
- News & Observer (Raleigh, N.C.)1
- North Carolina State College. School of Forestry1
- Page, Rufus H.1
- Simpson, Herbert W. (Herbert Woodley), 1870-19451
- University of North Carolina Center for Public Television1