- Forest Products Laboratory (U.S.)557
- Oregon State College. Federal Cooperative Extension Service293
- Oregon State College. Agricultural Experiment Station288
- Oregon. State Game Commission140
- Western Dry Kiln Clubs77
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)49
- Oregon State College. Federal Cooperative Extension Service43
- Oregon State University. Agricultural Experiment Station36
- Oregon. Fish Commission36
- Oregon Forest Products Laboratory34
- Oregon State College. Extension Service29
- Oregon State Board Of Forestry28
- Oregon. Forest Lands Research Center, Corvallis27
- Fobes, E. W.21
- Gerry, Eloise, B. 188521
- Kuenzi, Edward W.20
- Moravets, F. L.20
- Norris, Charles, B. (Charles Brazer), 1894 20
- Warren, Rex19
- Marriage, Lowell D.18