- Asbury, Louis H. (Louis Humbert), 1877-197582
- Northup & O'Brien (Winston-Salem, N.C.)25
- O'Brien, Leet Alexander, 1891-196319
- Bonitz, Henry E., 1872-192111
- Derby, E. C.4
- Hook, Charles C. (Charles Christian), 1870-19384
- Northup, Willard Close4
- Brown, Mack D.3
- Graeber, R. W. (Robert Walter), 1888-19673
- Mattoon, Wilbur R.3
- North Carolina State University. College of Forest Resources3
- Phillips, Oscar H.3
- United States. Bureau of Forestry3
- Ackerman, G. W.1
- Henson, J. D.1
- North Carolina Cooperative Extension Service1
- North Carolina State University1
- Reynolds, Hal1
- United States. Extension Service1