- wikipedia.tr-tr.nina.az Gustav_Landauer.html
- libcom.org article/prophet-community-romantic-…
- muenchenwiki.de wiki/Gustav_Landauer
- resistance71.wordpress.com 2017/07/19/changeons-…
- spartacus-educational.com GERlandauer.htm
- http://dwardmac.pitzer.edu bright/landauer/landCW.html
- plough.com en/topics/justice/politics/who-was-…
- wikitree.com wiki/Landauer-7
- tr.wikiital.com wiki/Gustav_Landauer