- Oregon State University180
- Oregon State University. Extension Service69
- Oregon State University. Department Of Horticulture25
- Et Al.21
- Hatfield Marine Science Center20
- Bisson, William H.15
- Western Orchard Pest And Disease Management Conference13
- Hart, John M. (John Mervyn), 1947 12
- Oregon State University. College Of Forestry12
- Oregon State University Libraries And Press11
- Pacific Northwest Insect Management Conference11
- Peterson, William T.11
- Pscheidt, Jay William9
- Campbell, John L.8
- Oregon State University. Agricultural Experiment Station8
- Williams, David E.8
- Burns, John William, 1949 7
- Flowers, Michael Darrell, 1971 7
- Peterson, C. J.7
- Young, William C. (William Clyde)7