1. Budiansky 2021: Journey to the Edge of Reason: The Life of Kurt Gödel. Stephen Budiansky, W.W. Norton/Oxford Univ. Press/Ullstein (2021). ISBN: 978-1-324-00544-5.
2. Cohen 1963/64: 'The Independence of the Continuum Hypothesis, Part I'. Paul J. Cohen, in: Proceedings of the U.S. National Academy of Sciences, Band 50, Nr. 6 (1963), S. 1143-1148
3. und '…, Part II ', ibid., Band 51, Nr. 1 (1964), S. 105-110.
4. Cohen 1966: ‘Set Theory and the Continuum Hypothesis’. Paul J. Cohen, W.A. Benjamin, New York (1966), erneuert 1994, wiederaufgelegt 2008 von Dover Publications, Mineola, NY. ISBN 13: 978-0-486-46921-8.
5. Czech 2018: ‘Hans Asperger, National Socialism, and “race hygiene” in Nazi-era Vienna’. Herwig Czech, in: Molecular Autism, Band 9 (2018), 43 Seiten.