Content by or about the Situationist International, an international organisation of social revolutionaries made up of avant-garde (anti-)artists, intellectuals, and political theorists which was prominent in Europe from its formation in 1957 to its dissolution in 1972.
Re-collecting our past - La Banquise
A summary of historical tendencies towards communism from 1848 to 1984 - via 1917 and 1968.