Gorter’s Open Letter: the details - Serge Bricianer
Serge Bricianer on German left communist Herman Gorter's 'Open letter to comrade Lenin, A reply to “left-wing” communism, an infantile disorder'.
The councilist movement in Germany (1914-1935): A history of the AAUD-E tendency
What does the Communist Workers Union want? - KAUD
1932 statement of the Communist Workers Union of Germany (Kommunistische Arbeiter-Union Deutschlands) on its perspective and purpose.