Creator
- Forest Products Laboratory (U.S.)[remove]55
- Mitchell, Harold L.7
- Turner, Harold Dale4
- Tarkow, Harold3
- Heebink, Bruce G.2
- Kern, John D.2
- Miller, Raymond N.2
- Stamm, Alfred J. (Alfred Joaquim), 1897 2
- Swanson, W. H. (Wilbur Harold)2
- United States. Forest Service2
- Wahlgren, Harold E.2
- Wheeler, Phillip R.2
- Betts, Harold S. (Harold Scofield)1
- Blew, Joseph Oscar, 1904 1
- Bray, Mark W.1
- Browne, F. L. (Frederick Lincoln), 1895 1
- Dawson, Robert E.1
- Erickson, E. C. O.1
- Fassnacht, Donald L.1
- Faulkes, W. F., jr.1