Citations: Anonym 1935: [Guthrie, J. E.] Proceedings of the Iowa Academy of Sciences., Des Moines 42, S. 21-24, B15 10355
Osborn, H. 1937: Fragments of Entomological History Including Some Personal Recollections of Men and Events. 1 Columbus, Ohio, Published by the Author, 1-394 S., B15: 6024, pp. 222, Portr.(Taf. 28)
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 S., B15: 6024a, pp. 197, Portr.(Taf. 20)