1. The relation of keel bone to egg production;Asmundson;Sci. Agr. 1 :30-33, 63-67.,1921
2. The relationship between the number and weight of eggs and body weight of Leghorn fowls during the first three years of production;Atwood;W.Va. Agr. Expt. Sta. Bul.,1930
3. Head type in relation to annual egg production and egg weight;Clevenger;Poul. Sci.,1934
4. The effect of inbreeding on the bones of the fowl;Dunn;Storrs Agr. Expt. Sta. Bul.,1928
5. A study of the relation between body conformation in laying fowls and size and shape of egg laid;Hall;Cornell Univ. Thesis. Cited by Rice, Hall, and Marble (1930).,1923