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1Published 1939Washington, D.C. : U.S. Dept. of Agriculture : For sale by the Supt. of Docs., 1939.1 v. ; 23 cm.
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2Published 1940Washington, D.C. : Extension Service, U.S. Dept. of Agriculture, 1940-v. : ill. ; 23 cm.
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3Published 1922Washington : G.P.O., 1922.1 v. ; 23 cm.
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4Published 1932Washington, D.C. : The Service : For sale by the Supt. of Docs., 1932-1939.6 v. : ill. ; 23 cm.