Citations: Anonym 1975: [Leonard, M. D.] Bulletin of the Entomological Society of America, College Park, Md. 21 (4), B15: 10270a, pp. Umschlagseite
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. 269
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. 207
Russell, L. M. 1975: [Leonard, M. D.] Proceedings of the Entomological Society of Washington, Washington 77, S. 505-507, B15 10215