Citations: 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. 284
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. 2, 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., 6024a, pp. 232, Portr. (Taf. 32)
Seehausen, M.; Turiault, M.; Fliedner, H.; Deliry, C. 2023: "A nice old greybeard" - Friedrich Ris' correspondence archived at the Senckenberg Museum Franfurt/Main, Germany. Report/ International Dragonfly Fund. A Journal of the International Dragonfly Fund., Frankfurt 2023 (180), S. 1-84, 12 326, pp. 66