1. Endocrine and developmental studies of gonopod differentiation in certain Poeciliid fishes. I. The structure and development of the gonopod of Platypoecilus maculatus;Grobstein;Univ. Calif. Publs. Zool.,1940
2. Notes on habits, morphology of reproductive organs and embryology of the viviparous fish Gambusia affinis;Kuntz;Bull. Bur. Fish., Wash.,1914
3. The function of gonopodial parts and behavioral pattern during copulation by Gambusia (Poeciliidae);Peden;Can. J. Zool.,1972
4. Fortpflanzungsgeschichte der viviparen Teleosteer Glaridichthys januarius und G. decem-maculatus in ihrem Einfluß auf Lebensweise, makroskopische und mikroskopische Anatomie;Philippi;Zool. Jb. Anat.,1908