1. Relation of the candling appearance of eggs to their quality;Almquist;Univ. of Calif. Bul.,1933
2. Formation of hens' eggs;Asmundson;Scientific Agri.,1931
3. Studies in egg quality. II. Seasonal variation in yolk color;Parker;Poul. Sci.,1927
4. Studies in egg quality. I. Introductory note on variation in yolk color;Parker;Poult. Sci.,1926
5. A proposed system for scoring eggs for internal quality as determined by an examination of the opened egg;Sharp;U. S. Egg & Poult. Mag.,1932