Tham khảo Donald Howard Menzel

Story, R.; Greenwell, J. R. (1980). “Menzel, Donald H.”. The Encyclopedia of UFOs. Doubleday. tr. 229–230. ISBN 978-0-385-13677-8.
Pasachoff, J. (2002). “Menzel and Eclipses”. Journal for the History of Astronomy 33 (2): 139–156. Bibcode:2002JHA....33..139P. doi:10.1177/002182860203300205.
Swords, M. D. (2000). “UFOs, the Military, and the Early Cold War Era”. Trong Jacobs, D. M. UFOs and Abductions: Challenging the Borders of Knowledge. University Press of Kansas. tr. 82–121. ISBN 978-0-7006-1032-7.
Bogdan, T. J. (2007). “Menzel, Donald Howard”. The Biographical Encyclopedia of Astronomers. The Biographical Encyclopedia of Astronomers 13. tr. 769–770. ISBN 978-0-387-31022-0. doi:10.1007/978-0-387-30400-7_939.
“Papers of Donald Howard Menzel: An inventory”. Harvard University Library. 2005.

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