Extracts from the 1922 'Leading Principles' of the Communist Workers' International.
1932 statement of the Communist Workers Union of Germany (Kommunistische Arbeiter-Union Deutschlands) on its perspective and purpose.
The Communist Left and the resolutions of the second congress of the Communist International - Henriette Roland-Holst
Hermann Gorter recounts his struggle against the Dutch Communist Party, following its abandonment of internationalist principles and adoption of reformist policies.
Speech presented on August 16, 1919 before the assembly of the Communist Party’s Hamburg local, on the nature of trade unions.