- Oregon State University137
- Oregon State University. Extension Service75
- Raab, Carolyn A.60
- Aldwin, Carolyn M.16
- Oregon State University. College Of Forestry16
- Raab, Alexander K.13
- United States. Department Of Agriculture13
- Fleischbein, Jane12
- Huyer, Adriana, 1945 12
- Smith, Robert L. (Robert Lloyd), 1935 12
- Kosro, P. Michael, 1951 11
- Oregon State University. Agricultural Experiment Station11
- Osu Forestry Alumni Association10
- University Of Idaho. Cooperative Extension Service10
- Hall, Jim9
- Hatfield Marine Science Center9
- Pacific Northwest Cooperative Extension9
- Wheeler, Patricia A.9
- Oregon State University. Registrar's Office8
- Peterson, W. T.8