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Bradley, J. C. 1959: The influence of the American Entomological Society upon the study of Hymenoptera. Transactions of the American Entomological Society, Philadelphia 85 (4), S. 277-301, B15 10217, pp. 287-289
Gilbert, P. 2007: A Source Book for Biographical Literature on Entomologists Leiden, Backhuys Publishers, 694 S., A 2972, pp. 68
Gunn, D. L. 1976: [Bradley, J. C.] (The) Proceedings of the Royal Entomological Society of London. Series C. Journal of Meetings - London., London (C), B15 10001c, pp. 51
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. 251, Portr.(Taf. 42)
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. 181, Portr.(Taf. 31)
Pechuman, L. L. 1975: [Bradley, J. C.] Annals of the Entomological Society of America, Baltimore/Maryland 68, B15 10270, pp. 923, Portr.