1. The formation of the egg in the oviduct of the turkey (Meleagris gallopavo);Asmundson;Jour. Exp. Zool.,1939
2. Handbuch der Eierkunde;Grossfeld,1938
3. Physical characters of eggs in relation to hatchability;Hays;Poul. Sci.,1927
4. Effects of cod liver oil and ultra-violet irradiation, as influenced by oyster shell in the diet of confined laying hens;Hendricks;Jour. Agri. Res.,1931
5. Studies on specific gravity of hens' eggs;Olsson;Otto Harrassowitz, Leipzig.,1934