She is known for works of fiction, historical novels, translations, as well as her correspondence with Karl Kautsky. She was a socialist who, with other Jewish writers of the time, such as Hedwig Dohm, Bertha Pappenheim, and Hedwig Lachmann, "combined political activity with artistic creativity". Adler was the publisher of the Arbeiterinnen-Zeitung.
Adler was born in Debrecen, Hungary in 1858. She was the sister of Heinrich Braun; and the wife of Victor Adler, a physician and politician who founded the Social Democratic Party of Austria in Austria. They married in 1878, and had three children, Friedrich (born 1878), Marie (born 1881), Karl (born 1885). She dealt with severe depressive episodes during periods of her life, and died in Zurich, Switzerland in 1935.
- Goethe und Frau v. Stein, 18871897.
- Marion Lorm (Pseudonym), translation: Choderlos de Laclos: Gefährliche Liebschaften, 1899
- Die berühmten Frauen der französischen Revolution 1789–1795, 1906
- Erinnerungen 1887–1892–1912, in: Gedenkbuch: 20 Jahre Österreichische Arbeiterinnenbewegung, 1912
- Feierabend. Ein Buch für die Jugend, 1902
- Neues Buch der Jugend, 1912
- Kochschule, 1915
- Feiereisen, Florence; Hill, Alexandra Merley (2012). Germany in the Loud Twentieth Century: An Introduction. Oxford University Press. pp. 13–. ISBN 978-0-19-975939-2.
- Blum, Mark E. (13 January 2015). The Austro-Marxists 1890—1918: A Psychobiographical Study. University Press of Kentucky. pp. 234–. ISBN 978-0-8131-6216-4.
- Eigler, Friederike Ursula; Kord, Susanne (1 January 1997). The Feminist Encyclopedia of German Literature. Greenwood Publishing Group. pp. 207–. ISBN 978-0-313-29313-9.
- Jacobs, Jack (1 January 1992). On Socialists and "the Jewish Question" After Marx. NYU Press. pp. 211, 214–. ISBN 978-0-8147-4213-6.
- Loewenberg, Peter (1 January 1996). Decoding the Past: The Psychohistorical Approach. Transaction Publishers. pp. 138, 141–. ISBN 978-1-4128-2139-1.