2 results filtered with: Bulletin / U.S. Department of Agriculture, Bureau of Animal Industry
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Investigations concerning bovine tuberculosis : with special reference to diagnosis and prevention / conducted under the direction of D.E. Salmon.
Date: 1894- Books
A biometrical study of egg production in the domestic fowl. 3, Variation and correlation in the physical characters of the egg / by Raymond Pearl, Ph.D., biologist, Maine Agricultural Experiment Station and Frank M. Surface, Ph.D., biologist, Maine Agricultural Experiment Station.
Pearl, Raymond, 1879-1940Date: 1914