Ruth Fischer (English Wikipedia)

Edmunds, D. E.; Fraenkel, L. E.; Pemberton, M. (2017). "Frederick Gerard Friedlander. 25 December 1917 — 20 May 2001" (PDF). Biographical Memoirs of Fellows of the Royal Society. 63: 273–307. doi:10.1098/rsbm.2016.0027.

encyclopedia.com

"Fischer, Ruth (1895–1961) | Encyclopedia.com". Archived from the original on 24 October 2020. Retrieved 11 December 2020.

jewishvirtuallibrary.org

"Fischer, Ruth". Jewish Virtual Library. Archived from the original on 18 October 2012. Retrieved 8 September 2012.

jstor.org

E.H.Carr, Karl Radek, and M Philips Price (April 1952). "Radek's 'Political Salon' in Berlin". Survey. 3 (4): 411–430. JSTOR 149119. Archived from the original on 1 June 2022. Retrieved 31 January 2021.{{cite journal}}: CS1 maint: multiple names: authors list (link)

libcom.org

Bourrinet, Philippe. The Dutch and German Communist Left (1900–68) (PDF). p. 186. Archived (PDF) from the original on 11 September 2015. Retrieved 30 October 2015. [meeting of 25th July 1923, reported in Die Aktion No. 14, 1923. Reprinted in the pamphlet: Die KPD im eigenem Spiegel. Aus der Geschichte der KPD und der 3. Internationale, (Berlin-Brandenburg, 1926), pp. 59–79.

nationalarchives.gov.uk

discovery.nationalarchives.gov.uk

"Elfriede FRIEDLANDER, alias Ruth FISHER, PLEUCHOT, MASLOW, nee EISLER: Austrian,..." The National Archives. Retrieved 15 August 2018.

nbcnews.com

"Before the CIA, there was the Pond". NBC News. 29 July 2010. Archived from the original on 30 June 2024. Retrieved 29 June 2024.

nytimes.com

"New York Times abstract (incomplete)". Archived from the original on 1 June 2022. Retrieved 23 July 2018.
"RUTH FISCHER HELD BY VIENNA POLICE; German Communist Leader Is Accused of Crossing the Border With a False Passport". The New York Times. 4 January 1925. Archived from the original on 5 February 2021. Retrieved 31 January 2021.

socialhistory.org

search.socialhistory.org

"Ruth Fischer Papers". International Institute of Social History. Archived from the original on 30 June 2024. Retrieved 11 April 2015.

spartacus-educational.com

"Ruth Fischer". Archived from the original on 21 October 2014. Retrieved 24 August 2014.

ucl.ac.uk

discovery.ucl.ac.uk

Edmunds, D. E.; Fraenkel, L. E.; Pemberton, M. (2017). "Frederick Gerard Friedlander. 25 December 1917 — 20 May 2001" (PDF). Biographical Memoirs of Fellows of the Royal Society. 63: 273–307. doi:10.1098/rsbm.2016.0027.

via-regia.org

Orland, Nachum. 1995. O Israel, du hast das Schwert geschliffen... Bemerkungen zur “Nahost-Politik” der ehemaligen sozialistischen Länder. Via Regia. Archived 28 July 2023 at the Wayback Machine 21/22

web.archive.org

"Before the CIA, there was the Pond". NBC News. 29 July 2010. Archived from the original on 30 June 2024. Retrieved 29 June 2024.
"New York Times abstract (incomplete)". Archived from the original on 1 June 2022. Retrieved 23 July 2018.
"Fischer, Ruth". Jewish Virtual Library. Archived from the original on 18 October 2012. Retrieved 8 September 2012.
"Fischer, Ruth (1895–1961) | Encyclopedia.com". Archived from the original on 24 October 2020. Retrieved 11 December 2020.
E.H.Carr, Karl Radek, and M Philips Price (April 1952). "Radek's 'Political Salon' in Berlin". Survey. 3 (4): 411–430. JSTOR 149119. Archived from the original on 1 June 2022. Retrieved 31 January 2021.{{cite journal}}: CS1 maint: multiple names: authors list (link)
Cf. "Biographische Datenbanken: Fischer, Ruth" Archived 26 November 2016 at the Wayback Machine (entry), on: Bundesstiftung zur Aufarbeitung der SED-Diktatur Archived 2 December 2016 at the Wayback Machine (i.e. Federal Foundation for the Reappraisal of the SED Dictatorship), retrieved on 25 November 2016.
"Ruth Fischer". Archived from the original on 21 October 2014. Retrieved 24 August 2014.
Bourrinet, Philippe. The Dutch and German Communist Left (1900–68) (PDF). p. 186. Archived (PDF) from the original on 11 September 2015. Retrieved 30 October 2015. [meeting of 25th July 1923, reported in Die Aktion No. 14, 1923. Reprinted in the pamphlet: Die KPD im eigenem Spiegel. Aus der Geschichte der KPD und der 3. Internationale, (Berlin-Brandenburg, 1926), pp. 59–79.
Orland, Nachum. 1995. O Israel, du hast das Schwert geschliffen... Bemerkungen zur “Nahost-Politik” der ehemaligen sozialistischen Länder. Via Regia. Archived 28 July 2023 at the Wayback Machine 21/22
"RUTH FISCHER HELD BY VIENNA POLICE; German Communist Leader Is Accused of Crossing the Border With a False Passport". The New York Times. 4 January 1925. Archived from the original on 5 February 2021. Retrieved 31 January 2021.
"Ruth Fischer Papers". International Institute of Social History. Archived from the original on 30 June 2024. Retrieved 11 April 2015.