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- Oregon State College. Agricultural Experiment Station 42
- Universities and colleges--Faculty 21
- Portraits 16
- Agriculture 10
- Greenhouses 10
- Politicians 6
- Deans (Education) 3
- Universities and colleges--Employees 3
- Botany and Plant Pathology 2
- Fish and Game Management 2
- Grasses--Research 2
- Mountains--Oregon 2
- Tall fescue 2
- Agricultural chemistry 1
- Agricultural engineering 1
- Agricultural machinery 1
- Animal Husbandry 1
- Besse, Ralph S. (Ralph Stephen), 1887- 1
- Bullock, Richard M. (Richard Melvin), 1918- 1
- Douglas fir 1