1. Analysis of covariance as a missing plot technique;Coons;Biometrics,1957
2. Accuracy of estimating age at sexual maturity from pen records of egg production. Unpublished M.S. Thesis.;Giesbrecht,1961
3. Genetic, phenotypic and environmental correlations between some egg quality traits and egg production and hatchability;Goodman;Poultry Sci.,1955
4. Heritability of albumen height and specific gravity of eggs from White Leghorns and Barred Rocks and the correlations of these traits with egg production;Johnson;Poultry Sci.,1955
5. Equipment and methods for measuring egg quality;Kilpatrick;U. S. Dept. Agr. Agricultural Marketing Service Bul.,1960