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Topic
- Agriculture 2
- Jackman, E. R. (Edwin Russell), 1894-1967 2
- Oregon State University. Extension Service 2
- Universities and colleges--Faculty 2
- Agricultural extension workers 1
- Kadderly, Wallace L. (Wallace Ladue), 1892-1983 1
Collection
- Historical Images of Oregon State University 2
- OSU Special Collections & Archives Research Center 2