- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)16
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club7
- Oregon State University. College Of Forestry2
- United States Pacific Northwest Forest And Range Experiment Station (Portland, Or.)2
- Allen, Edward Tyson1
- Johnson, Norman E.1
- Koch, Niels Elers1
- Krutilla, John V.1
- Lee, Robert G.1
- Miles, Jerry A.1
- Oregon Woodland Publications Council1
- Pacific Northwest Forest Experiment Station (Portland, Or.)1
- Reed, F. L. C.1
- Squire, Ross O.1
- United States. Bureau Of Land Management1
- United States. Forest Service1
- Waring, Richard1