Content by or about Jan Appel (22 August 1890 – 4 May 1985) a German revolutionary who participated in the German Revolution of 1918. He became a prominent Left Communist activist and theorist. Pseudonyms include: Max Hempel, Jan Arndt, Jan Voß.
Part 1: Discussion about Radek's Report on the Tactics of the International
Interventions by members of the KAPD at the Third Congress of the Communist International in 1921 in reply to Karl Radek's presentation on the tactics the CI should employ.