1. Premature expulsion of eggs by hens injected with posterior pituitary substances;Burrows;Poultry Sci. 19:346 (abstract).,1940
2. Maturation, fertilization, and early cleavage in the egg of the domestic fowl;Olson;Doctorate thesis, University of Maryland.,1941
3. A simple method of obtaining premature eggs from birds;Riddle;Science (N.S.),1921
4. Recent advances in sex and reproductive physiology;Robson;Second edition. Blakiston, Philadelphia.,1940
5. The time factor in egg formation;Warren;Poultry Sci.,1935