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Gilbert, P. 2007: A Source Book for Biographical Literature on Entomologists Leiden, Backhuys Publishers, 694 S., A 2972, pp. 31
Leonard, M. D.; Sailer, R. I. 1960: [Barber, H. G.] Annals of the Entomological Society of America, Columbus/Ohio 53, B15 10270, pp. 853-854, Portr.
Leonard, M. D.; Sailer, R. I. 1960: [Barber, H. G.] Proc. Ent. Soc. Washington, 62, B15 10215, pp. 125-129, Portr.
Mallis, A. 1971: American Entomologists. Rutgers Univ. Press New Brunswick, B15 A1642, pp. 233-234, Portr.
Osborn, H. ((Hrsg.)) 1937: Fragments of Entomological History Including Some Personal Recollections of Men and Events. 1 Columbus, Ohio, Published by the Author, 1-394 S., 6024, pp. 227-228, Portr.(Taf. 17)
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. 177, Portr.(Taf. 14)