Citations: Anonym 1973: [Badertscher, A. E.] Bulletin of the Entomological Society of America, College Park, Md. 19 (4), B15: 10270a, pp. Umschlagseite
Osborn, H. 1946: Fragments of Entomological History Including Some Personal Recollections of Men and Events. 2 Columbus, Ohio, Published by the Author, 1-232 S., B15: 6024, pp. 124, Portr.(Taf. 11)
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., 6024a, pp. 176, Portr.(Taf. 52)