1. Certain correlations in the weight and number of eggs and the weight of fowls;Atwood;W.Va. Agr. Exp. Sta., Bul.,1923
2. Short period trapnesting as a means of estimating annual egg production and average annual egg weight;Dudley;The Harper Adams Util. Poul. Jour.,1931
3. Statistical Methods for Research Workers;Fisher,1930
4. The accuracy of periodically weighing a few representative eggs to determine the total monthly and yearly points produced;Ginn;Poul. Sci.,1932
5. Studies on the inheritance of egg weight;Hadley;R. I. Agr. Exp. Sta. Bul.,1920