1. Early Forerunners of Man;Clark,1934
2. Evolution of the horse brain;Edinger;Mem. Geol. Soc. Amer.,1948
3. Studien am Skelett des Gehororgans der Saugetiere, einschliesslich des Menschen;Fleischer;Saugetierkundl. Mitterlungen (Munich, FRG),1973
4. Evolutionary principles of the mammalian middle ear;Fleischer;Adv. Embryol. Cell Biol.,1978
5. Origin of auditory cortex;Frost,1992