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- Monroe, Cal Graham 5
- Universities and colleges--Faculty 5
- Oregon State University. Extension Service 4
- French, Giles 3
- Farm Crops 2
- Hill, D. D. (Donald David), 1894- 2
- Agricultural exhibitions 1
- Hall, Frances Ann Clinton 1
- Henderson, Robert W. (Robert Wesley), 1914-2006 1
- Long, R. A. (Reub A.) 1
- Oregon State University. Agricultural Experiment Station 1
