1. 1936. Atlas of congenital cardiac disease, New York, p. 36.
2. 1931-33. In Handbuch der vergleichenden Anatomie der Wirbeltiere, ed. by Bolk, Göppert, Kallius and Lubosch, Berlin and Vienna, vol. 6, p. 522.
3. 1953. In S. E. Gould's Pathology of the heart, Springfield, Illinois, p. 288.
4. and 1932. Handbuch der vergleichenden Anatomie der Haustiere, 17th ed., Berlin, p. 622.
5. THE INCIDENCE OF ACUTE AND SOT ACUTE BACTERIAL ENDOCARDITIS IN CONGENITAL HEART DISEASE