Martina Kölbl-Ebert, Geological Society of London, International Union of Geological Sciences, International Commission on the History of the Geological Sciences, Geology and Religion: A History of Harmony and Hostility, London: Geological Society, 2009, ISBN978-1-86239-269-4, p. 213.
Otto Heinrich Schindewolf and Wolf-Ernst Reif, Basic Questions in Paleontology: Geologic Time, Organic Evolution, and Biological Systematics, University of Chicago Press, 1993, ISBN0-226-73834-5, p. 445.
Hermann-Josef Rupieper, Beiträge zur Geschichte der Martin-Luther-Universität Halle-Wittenberg 1502-2002, Halle (Saale): Mitteldeutscher Verlag, 2002, ISBN3-89812-144-5, pp. 478-80: the section on "Der ,Fall' Kuhn" states that Weigelt had brought Kuhn to Halle after he had been refused Habilitation at Munich.
catalogus-professorum-halensis.de
«Oskar Kuhn» (em alemão). Consultado em 13 de julho de 2010