- MeadWestvaco (Firm)19
- North Carolina Cooperative Extension Service10
- North Carolina Agricultural Experiment Station7
- Klingman, Glenn C.3
- Waldrep, T. W.3
- Worsham, A. D.3
- Appalachian Forest Research Center (Rupert, W. Va.)2
- Skroch, Walter A.2
- Summerville Research Center (Summerville, S.C.)2
- Toomey, W. Glenn2
- Upchurch, Robert Phillip2
- Westmoreland, W. G.2
- Allied Chemical Corporation1
- Elanco Products Company1
- Forest Science Laboratory (Summerville, S.C.)1
- Lewis, William M. (William Madison), 1921-1
- Monaco, T. J.1
- Monsanto Chemical Company1
- North Carolina Agricultural Research Service1
- North Carolina State College1