Clark, J. Allen (Jacob Allen) 1888- creator Bayles, B. B. (Burton Bernard) 1900- text bibliography dcu Washington U.S. Dept. of Agriculture 1942 monographic eng

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146 p., [25] leaves of plates : ill., maps ; 23 cm. by J. Allen Clark and B.B. Bayles. Cover title. Contribution from Bureau of Plant Industry. "Revision of and supersedes Department bulletin 1074, Classification of American wheat varieties [by J.A. Clark, J.H. Martin, and C.R. Ball] and Technical bulletin 459, Classification of wheat varieties grown in the United States [by J.A. Clark and B.B. Bayles]"--Foot-note, p. 1. Includes index. Literature cited: p. 129-140. n-us--- Wheat Varieties United States SB191.W5 C545 1942 633.11 agr42000332 U.S. Dept. of agr. Library 800328 20260227111001.0 agr42000332