- Forest Products Laboratory (U.S.)90
- Oregon State University. Agricultural Experiment Station35
- Oregon State University. Cooperative Extension Service29
- Oregon. State Game Commission14
- Oregon State University. Federal Cooperative Extension Service10
- Oregon State College. Agricultural Experiment Station8
- Johnson, Theta6
- Oregon State College. Federal Cooperative Extension Service6
- Western Dry Kiln Clubs6
- Western Dry Kiln Clubs. Meeting (13th : 1961 : Medford, Or.)6
- Blew, Joseph Oscar, 1904 5
- Crabtree, Garvin5
- Kukachka, B. Francis (Bohumil Francis), 1915 5
- Mcmillen, John M.5
- Boller, Kenneth H.4
- Callaway, Richard J.4
- Castle, Emery N.4
- Lane County Pioneer Historical Society (Or.)4
- Martin, J. Stanley4
- Norris, Charles, B. (Charles Brazer), 1894 4