- United States. Bureau Of Land Management368
- Klamath Falls Resource Area363
- Forest Products Laboratory (U.S.)7
- United States. Division Of Forest Pathology7
- United States. Forest Service. Northern Region. State & Private Forestry7
- United States. Forest Service. Northern Region5
- Callaway, Richard J.4
- Gibson, Kenneth E.4
- Macduffee, K. M.4
- Hansbrough, J. R. (John Raymond), 1903 19903
- United States. Forest Service3
- United States. Forest Service. Pacific Northwest Region3
- Byler, James W.2
- Davis, George B. (George Balfour), 1915 2
- Duncan, Catherine G. (Catherine Gross), 1908 19682
- Englerth, George H. (George Henry), 1907 19912
- Hemstrom, Miles A.2
- Hutchings, H. M. (Harvey Myron)2
- International Maize And Wheat Improvement Center2
- James, Robert L.2