Citations: Bethune, C. J. S. 1908: [Fletcher, J.] The Canadian Entomologist, Ottawa 40, B15 10219, pp. 433-437
Gibson, A. 1909: [Fletcher, J.] Ottawa Naturalist 22, pp. 189-234
Harrington, W. H. 1909: [Fletcher, J.] Ottawa Naturalist 22, pp. 196-205
Howard, L. O. 1930: History of applied Entomology (Somewhat Anecdotal). Smithsonian Miscellaneous Collections, Washington 84, S. X+1-564, B15: 1018, pp. (Taf. 12)
Macoun, J. 1909: [Fletcher, J.] Ottawa Naturalist 22, pp. 212-214
Mallis, A. 1971: American Entomologists. Rutgers Univ. Press New Brunswick, B15 A1642, pp. 113-116, 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. 170-171, Portr.(Taf. 11)
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. nur Portr.(Taf. 20)
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. 193, Portr.(Taf. 7)
Saunders, W. E. 1909: [Fletcher, J.] Ottawa Naturalist 22, pp. 192-196
Shutt, F. T. 1909: [Fletcher, J.] Ottawa Naturalist 22, pp. 220-222