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Anonym 1875: [Hagen, H. A.] 1 Havard Book , 345-346 S.
Anonym 1893: [Hagen, H. A,] Leopoldina., Halle 29, S. 208, B15 11118a
Anonym 1893: [Hagen, H. A.] American journal of science, devoted to the geological sciences and to related fields , New Haven/Conn. 3 (46), pp. 484
Anonym 1893: [Hagen, H. A.] The Canadian Entomologist, London 25, B15 10219, pp. 328
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Anonym 1893: [Hagen, H. A.] Leopoldina 29, B15, pp. 208
Anonym 1894: [Biographien] Zoologischer Anzeiger, Leipzig 17, B15: 10885, pp. 15-16
Anonym 1894: [Hagen, H. A.] The American Naturalist, an illustrated Magazine of Natural History , Philadelphia/Pa. 28, B15 10214, pp. 95-96
Anonym 1894: [Hagen, H. A.] Insect Life, Washington 6, pp. 280-281
Anonym 1894: [Hagen, H. A.] Psyche, Cambridge/Mass. 7, B15 10002, pp. 35
Aspöck, H.; Aspöck, U. 2014: Die deutschsprachigen Autoren der Raphidiopteren-Taxa im 19. Jahrhundert - Zum 200. Geburtstag von Wilhelm Gottlieb Schneider (1814-1889) und Johann Philip Emil Friedrich Stein (1814-1882). DGaaE-Nachrichten, wechselnde Verlagsorte 28 (2), S. 96-97, B15:11981
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Comstock, J. H. 1922: [Hagen, H. A.] Journal of the economic Entomology 15, S. 33-34
Elwes, H. J. 1893: [Biographien] (The) Proceedings of the Entomological Society of London for the Year ..., 1893, B15: 10001, pp. LV
Essig, E. O. 1931: A History of Entomology. New York, Macmillan Company, VI+1-1029 S., B15: 4884, pp. 643-646, Portr.
Garrison, R. W.; Ellenrieder, N. von 2019: An annotated list of the types of Odonata housed at the Museum of Comparative Zoology, Harvard University, Cambridge, Massachusetts, U.S.A. Report/ International Dragonfly Fund. A Journal of the International Dragonfly Fund., Frankfurt (134), S. 1-147, 12 326
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Haward, L. 1930: [Hagen, H. A.] Hist. appl. Ent.
Henshaw, S. 1894: [Hagen, H. A.] Annual Report of the Entomological Society of Ontario, Toronto 25, B15 10221, pp. 122-124
Henshaw, S. 1894: [Hagen, H. A.] Proceedings of the American Academy of Arts and Sciences, Boston 29, pp. 419-423
Heppner, J. B. ((Hrsg.)) 1999: The Pioneer Century of American Entomology, by H. B. Weiss. Chapter VII-VIII. Lepidoptera news, Gainesville 1999 (3), S. 11-32, B15: 12092, pp. 20-21
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Kraatz, G. 1894: [Hagen, H. A.] Dtsch. ent. Ztschr. 38, pp. 9
Kraula, B. 1978: [Hagen, H. A.] Odonatologica. (= Journal of the Societas Internationalis Odonatologica (S.I.O.))., Utrecht 7, S. 205, B15 11805
Mallis, A. 1971: American Entomologists. Rutgers Univ. Press New Brunswick, B15 A1642, pp. 119-126. Portr.
Matthews, J. R. 1974: History of the Cambridge Entomological Club. Psyche, Cambridge/Mass. 81, S. 3-14, B15 10002
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Musgrave, A. 1932: Bibliography of Australian Entomology 1775 - 1930. Sydney, B15: 2154, pp. 138
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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. 197, Portr.(Taf. 4)
Osten-Sacken, C. R. 1903: Record of my life and work in entomology. Cambridge (Mass.), pp. 74-77
Ratzeburg, J. T. C. 1874: Forstwissenschaftliches Schriftsteller-Lexikon. Berlin, Nicolai'sche Buchhandlung, X+1-516 S., B15: B 816, pp. 219-221
Schorr, M. 1991: [Hagen, H. A.] Hagenia : Mitteilungsblatt des Nationalen Büros der Internationalen Odonatologischen Gesellschaft in der Bundesrepublik Deutschland und der Gesellschaft Deutschsprachiger Odonatologen, Mönchengladbach/Zerfl. 1, B15, pp. 3-9, Schr.verz.
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