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Howard, L. O. 1930: History of applied Entomology (Somewhat Anecdotal). Smithsonian Miscellaneous Collections, Washington 84, S. X+1-564, B15: 1018, pp. (Taf. 2)
Mallis, A. 1971: American Entomologists. Rutgers Univ. Press New Brunswick, B15 A1642, pp. 49-50, Portr.
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. 221, Portr. (Taf. 18)
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