1. Lysine requirement of the chick;Almquist;Proc. Soc. Expt. Biol. Med.,1942
2. Association of Official Agricultural Chemists, Official Methods of Analysis. Washington, 1945.
3. The composition of the proteins of eggs from hens on different diets;Calvery;J. Biol. Chem.,1934
4. Soybean oil meal in the laying ration;Carver;Wash. Agr. Expt. Sta., V circular No. 15,1944
5. The methionine and cystine content of hen eggs;Csonka;J. Biol. Chem.,1947