1. Über den Respirationswechsel des Frösches in den verschiedenen Jahraszeiten;Athanasiu;Pflügers Arch. ges. Physiol.,1900
2. Comparative anatomy of the aortic arches of the urodeles and their relationship to respiration and degree of metamorphosis;Baker;J. Tenn. Acad. Sci.,1949
3. An arrangement of the genera of batracian animals with a description of the more remarkable species including a monograph on the more doubtful reptiles;Barnes;Am. J. Sci. Arts,1826
4. Structural modifications of the amphibian skin;Bernstein,1953
5. Über die Haut- und Lungenathung der Frösche;Bohr;Skand. Arch. Physiol.,1900