James Wagner on Twitter: "we stayed in our friends' apartment, in a Hans Poelzig building, while they were away, second floor left (European usage), with balcony, the Babylon cinema and the Volksbühne
Rosa Luxemburg - Wikipedia
Rosa Luxemburg and debt as an imperialist instrument
File:SBZ 1949 229 Karl Liebknecht und Rosa Luxemburg.jpg - Wikimedia Commons
Time Studies #35 | East Los Angeles Dirigible Air Transport Lines
Rosa Luxemburg - Wikipedia
Rosa-Luxemburg-Platz, Berlin | cityseeker
Rosa Luxemburg | Life, Revolutionary Activities, Works, & Facts | Britannica