1. The frequency of various malpositions of the chick embryo and their significance;Hutt;Proc. Roy. Soc. Edin.,1929
2. Distribution of mortality during the period of incubation;Payne;Jour. Amer. Assn. Inst. & Inves. in Poul. Husb.,1919
3. A study of multiple turning of incubated eggs;Payne;Jour. Amer. Assn. Inst. & Inves. in Poul. Husb.,1921
4. Studies on the physiology of reproduction in birds, XXVII;Riddle;Amer. Jour. Physiol.,1930
5. Malpositions—a factor in hatchabality;Smith;Proc. 22nd Ann. Meet. Poul. Sci. Assn.,1930