1. Les larves et nymphes des Dytiscides, Hygrobiides et Haliplides;Bertrand;Encycl. ent.,1928
2. Kleine Beiträge zur Kenntnis des Geschlechtslebens und der Metamorphose der Dytisciden. I, Colymbetes fuscus L. u. Agabus undulatus Schr;Blunck;Zool. Anz.,1913
3. Studies relating to the anatomy, the biological adaptations and the mechanism of the ovipositor in the various genera of Dytiscidae;Böving;Int. Rev. Hydrobiol.,1913
4. Morphology of the reproductive system of the Cotton Boll Weevil (Coleoptera, Curculionidae);Burke;Ann. ent. Soc. Amer.,1959