List of sires proved in dairy herd improvement associations, 1939 / compiled by the Division of Dairy Herd Improvement Investigations, Bureau of Dairy Industry.

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Corporate Authors: United States. Division of Dairy Herd Improvement Investigations, United States. Department of Agriculture
Format: Government Document Book
Language:English
Published: Washington, D.C. : U.S. Dept. of Agriculture, 1939.
Series:Miscellaneous publication (United States. Department of Agriculture) ; no. 353.
Subjects: