Content by or about Amadeo Bordiga (13 June 1889 – 25 July 1970), an Italian Marxist theorist, revolutionary socialist, founder of the Communist Party of Italy (PCI), member of the Communist International (Comintern) and later a leading figure of the International Communist Party. Bordiga is viewed as one of the most notable representatives of Left communism in Europe.

The Immediate Revolutionary Programme
A brief article by the International Communist Party, from 'Sul filo del tempo', May 1953