1. Fertilizing capacity of male chickens in natural matings;Byerly;Natl. Poultry Improvement Plan Conf. Rept.,1937
2. The relation of size of clutch and position of the egg in the clutch to hatching results;Funk;Poultry Sci.,1939
3. Factors affecting fertility in Rhode Island Reds;Hays;Mass. Agr. Exp. Sta. Bul.,1939
4. The influence of intensity of egg production upon infertility in the domestic fowl;Lamoreux;Jour. Agr. Res.,1940