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	1.	Grain grading primer / by Willis B. Combs and Fred G. Smith. by Combs, Willis B. (Willis Becker), 1894- Smith, Fred G. (Fred Georgia), 1885- Series: Agriculture handbook (United States. Department of Agriculture) ; no. 59. Material type: Text; Format: print ; Literary form: Not fiction Publication details: Washington, D.C. : U.S. Dept. of Agriculture, 1953 Availability: No items available. Add to cart (remove)
	2.	Outlines for 4-H club grain grading demonstrations / [by Willis B. Combs, in collaboration with A.W. Jacob and other State extension marketing specialists]. by Combs, Willis B. (Willis Becker), 1894- Jacobs, A. W Series: Agriculture handbook (United States. Department of Agriculture) ; no. 77. Material type: Text; Format: print ; Literary form: Not fiction Publication details: Washington, D.C. : U.S. Dept. of Agriculture, 1954 [i.e. 1955] Availability: No items available. Add to cart (remove)

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