* Schwartzwald, Jack L. (2022). Europe on the Path to Self-Destruction: Nationalism and the Struggle for Hegemony, 1815-1945 (بالإنجليزية). McFarland. p. 288. ISBN:978-1-4766-4685-5.
Weill, Claudie (2003). "Women in the German Revolution: Rosa Luxemburg and the Worker's Councils". In Fauré, Christine (ed.). Political and Historical Encyclopedia of Women (بالإنجليزية). روتليدج (دار نشر). pp. 267, 270. ISBN:1579582370.
books.google.com
* Schwartzwald, Jack L. (2022). Europe on the Path to Self-Destruction: Nationalism and the Struggle for Hegemony, 1815-1945 (بالإنجليزية). McFarland. p. 288. ISBN:978-1-4766-4685-5.
Weill, Claudie (2003). "Women in the German Revolution: Rosa Luxemburg and the Worker's Councils". In Fauré, Christine (ed.). Political and Historical Encyclopedia of Women (بالإنجليزية). روتليدج (دار نشر). pp. 267, 270. ISBN:1579582370.
deutsche-biographie.de
Kotowski, Georg (1959). "Ernst, Eugen". Neue Deutsche Biographie 4 (بالألمانية). p. 628 [Online-Version]. Archived from the original on 2022-12-10.
rosalux.de
Solty, Ingar (Mar 2018). "Fünfzehn Tage die die Welt Erschütterten" [Fifteen Days that Shook the World] (PDF). Rosa Luxemburg Stiftung (بالألمانية). p. 151. Archived from the original(PDF) on 2023-12-13. Retrieved 2023-12-13.
Solty, Ingar (Mar 2018). "Fünfzehn Tage die die Welt Erschütterten" [Fifteen Days that Shook the World] (PDF). Rosa Luxemburg Stiftung (بالألمانية). p. 151. Archived from the original(PDF) on 2023-12-13. Retrieved 2023-12-13.
