- North Carolina State University. College of Agriculture and Life Sciences. Department of Communication Services75
- Charlottesville Research Center (Ivy, Va.)65
- Kaufman, C. M.65
- Winnsboro Research Center (Winnsboro, S.C.)49
- Appalachian Experimental Project (Tyrone, Pa.)44
- Jeter, F. H. (Frank Hamilton), 1891-195542
- United States. Forest Service42
- South Carolina Forest Research Center (Summerville, S.C.)41
- Manteo Research Center (Manteo, N.C.)38
- United States. Bureau of Forestry34
- Appalachian Forest Research Center (Rupert, W. Va.)28
- North Carolina State University. College of Natural Resources -- Faculty28
- Champion Paper and Fibre Company24
- West Virginia Pulp and Paper Company North Carolina Research Project (Manteo, N.C.)24
- Hunt, Richard Howland23
- Hunt, Richard Morris, 1828-189523
- Olmstead, Frederick Law, Sr.23
- Schenck, Adele23
- Smith, Richard Sharp, 1852-192423
- Hofmann, Julius Valentine21