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2. Standardizing Dairy-Herd-Improvement-Assoeiation Records in Proving Sires;Kendrick;USDA Bureau of Dairy Industry, Inf.,1953
3. A Study of Genetic Factors Affecting Milk Production in a Selected Holstein-Friesian Herd;Laben;Missouri Agr. Expt. Sta., Research Bull.,1950
4. Causes of Differences in Butterfat Production of Cows in Iowa Cow Testing Associations;Plum;J. Dairy Sci.,1935
5. The Performance of Heifers Got by Artificial Insemination;Robertson;J. Agr. Sci.,1954