1. Association of Official Agricultural Chemists, 1940. Official and Tentative Methods of Analysis.5th ed., Washington, D. C.
2. Cravens, W. W., H. J. Almquist, L. C. Norris, R. M. Bethke, and H. W. Titus, 1944. Recommended Nutrient Allowances for Poultry. A report by the Sub-committee on Poultry Nutrition, National Research Council.
3. Calcium, phosphorus, and Vitamin D interrelationships in turkey poult nutrition;Evans;Poultry Sci.,1945
4. Failure of feather pigmentation in bronze poults due to lysine deficiency;Fritz;J. Nutrition,1946
5. Calcification in the poult;Fritz;Poultry Sci.,1945