1. Vitamin A and Carotene Requirements for the Maintenance of Adequate Blood Plasma Vitamin A in the Dairy Calf;Boyer;Jour. Dairy Sci.,1942
2. Cary, C. A. The Vitamin A Requirements of Very Young Calves. Report of the Chief of the Bureau of Dairy Industry, U. S. Dept. Agr., pages 34-36. 1941.
3. Note on Feeding Vitamin A and D Concentrate in Cod Liver Oil to Calves;Dahlberg;Jour. Dairy Sci.,1937
4. Effect of Feeding Vitamin A and D in Concentrated Cod Liver Oil with Different Grades of Hay to Dairy Calves;Ellenberger;Vt. Agr. Expt. Sta. Bul.,1937
5. Cod Liver Oil Fails to Improve a Good Dairy Calf Ration;Insko;Wis. Agr. Expt. Sta. Bul.,1929