1. Pryczyny i znaczenie roznic w wielkósci zarodków kur i kaczek w pierwszych dwóch dobach wylegania (Causes and significance of size difference in fowl and duck embryos in the first two days of incubation);Baczkowska;Roczn. Nauk Roln., B,1959
2. The relative effect of inbreeding and outbreeding on reproduction in the domestic fowl;Bernier;Hilgardia,1951
3. Bronkhorst, J. J., 1933. A physical, chemical, and physiological study of high and low hatching lines of Single Comb White Leghorns. Ph.D. Thesis, Cornell University, Ithaca, New York. pp. 110.
4. Embryonic development of two lines of White Rocks;Coleman;Poultry Sci.,1964
5. Staining Procedures used by The Biological Stain Commission;Conn,1960