1. Aubin, David; Goldstein, Catherine 2014: Placing World War I in the history of mathematics. [In:] The war of guns and mathematics. Mathematical practices and communities in France and its western allies around World War I. Edited by David Aubin and Catherine Goldstein. Providence RI: American Mathematical Society. ISBN: 978-1-4704-1469-6, pp. 1–55 (“History of Mathematics”, 42).
2. Baranowicz, Zofia 1975: Polska awangarda artystyczna 1918–1939. Warszawa: Wydawnictwa Artystyczne i Filmowe (“Style, Kierunki, Tendencje” 4).
3. Bartnicka, Kalina 2014: Access to higher education and study for Poles in the second half of the 19th century, Technical Transactions 1-NP (7), pp. 13–35.
4. Beckett, Ian F. W. 2001/2009: The Great War 1914–1918. Harlow: Pearson Education Limited. ISBN 978-0582322486 (“Modern Wars in Perspective”). Polish translation by Rafał Dymek 2009: Pierwsza wojna światowa 1914–1918. Warszawa: Książka i Wiedza.
5. Burde, Gerhard; Schwarz, Wolfgang; Wolfart, Jürgen 2002: Max Dehn und das Matematische Seminar, Frankfurt am Main. Available online (24.01.2018):https://www.yumpu.com/de/document/view/6453522/max-dehn-und-das-mathematische-seminar-institut-fur-mathematik.