1. Variation and heredity of some characters in White Leghorns, Rhode Island Reds, and Barnevelders. Part I. Lunds Universitets Årsskrift;Axelsson,1932
2. The relationship between the weight and hatching quality of eggs;Dunn;Storrs Agr. Exp. Sta. Bul.,1922
3. Physical characteristics of eggs in relation to hatchability;Hays;Poul. Sci.,1927
4. Shape and weight of eggs in relation to their hatching quality;Jull;Jour. Agr. Res.,1925
5. Variability of thick albumen in fresh laid eggs;Knox;Poul. Sci.,1934