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Pears 5
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Poultry Husbandry 5
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Universities and colleges--Employees 5
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Agricultural Chemistry 4
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Agricultural Engineering 4
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Cropsey, Myron George, 1910- 4
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Frazier, W. A. (William Allen), 1908- 4
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Beans 3
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Dobie, Norman D. 3
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Mellenthin, Walter M., 1920- 3
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Weswig, Paul H. (Paul Henry), 1912- 3
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Artichokes 2
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Boersma, L. 2
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Botany and Plant Pathology 2
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Bouquet, A. G. B. (Arthur George Bristow), 1885- 2
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College students 2
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Crop and Soil Science 2
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Garren, Ralph 2
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Lagerstedt, H. B. 2
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Oregon State University. Extension Service 2
