*Osborn, H. 1952: "A Brief History of Entomology Including Time of Demosthenes and Aristotle to Modern Times with over Five Hundred Portraits" Columbus, Ohio, The Spahr & Glenn Company : 1-303.
* Osborn, H. 1952: "A Brief History of Entomology Including Time of Demosthenes and Aristotle to Modern Times with over Five Hundred Portraits" Columbus, Ohio, The Spahr & Glenn Company : 1-303.