Citations: Anonym 1970: [Balduf, W. V.] The Ohio Journal of Science, Columbus, Ohio 70 (4), pp. 239
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. 248, Portr.(Taf. 41)
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. 176, Portr.(Taf. 47)