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- Mahāwitthayālai Kasētsāt 14
- Universities and colleges--Faculty 11
- Corn 4
- Dawson, M. D. 4
- Fertilizers 4
- Sesbania 4
- Wachirālongkō̜n, King of Thailand, 1952- 4
- Universities and colleges--Alumni and alumnae 3
- Commencement ceremonies 2
- Experiments 2
- Henderson, Robert W. (Robert Wesley), 1914-2006 2
- Oregon State University. Agricultural Experiment Station 2
- Soil Science 2
- Soils 2
- Agriculture 1
- Armed Forces--Officers 1
- Beck, James R. 1
- Bicycles 1
- Deans (Education) 1
- Hoerner, G. R. 1
