Classification of wheat varieties grown in the United States in 1939 /
by J. Allen Clark and B.B. Bayles.
- Washington : U.S. Dept. of Agriculture, 1942.
- 146 p., [25] leaves of plates : ill., maps ; 23 cm.
- Technical bulletin / United States Department of Agriculture ; no. 795 .
- Technical bulletin (United States. Department of Agriculture) ; no. 795. .
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.