Content by or about the UK libertarian socialist group, Solidarity, active from the 1960s until the 1990s.
![Socialism or barbarism (1962) Socialism or barbarism (1962)](https://files.libcom.org/files/styles/large/public/images/library/sobcover.jpg?itok=MPENeFtZ)
Socialism or barbarism - Solidarity
1969 reprint of a text published jointly by Socialism Reaffirmed (later Solidarity), Socialisme Ou Barbarie, Unita Proletaria and Pouvoir…