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web.archive.org
Hoffer, F.B. (August 1974). "Meteorites of Virginia"(PDF). Virginia Minerals. 20 (3). Archived(PDF) from the original on September 18, 2021. Retrieved October 8, 2019.
Thomson, G. (1804) "Essai sur le fer malléable trouvé en Sibérie par le Prof. Pallas" (Essay on malleable iron found in Siberia by Prof. Pallas), Bibliotèque Britannique, 27 : 135–154Archived December 15, 2019, at the Wayback Machine ; 209–229.Archived December 15, 2019, at the Wayback Machine (in French)
Harris, Paul; Hartman, Ron; Hartman, James (November 1, 2002). "Etching Iron Meteorites". Meteorite Times. Archived from the original on October 18, 2016. Retrieved October 14, 2016.