ICO

Councilist group and bulletin of the same name founded in 1958 as a split from Socialisme ou barbarie. Originally called Informations et liaisons ouvrières (ILO), the group changed to ICO in 1960, and has existed as Echanges & Mouvements since 1975.

Organisational notes on the French communist groups Socialisme ou Barbarie, ICO and Echanges et Mouvement, by Henri Simon in 1998.

The Mass Strike in France May-June 1968
Informations et Correspondance Ouvrieres (ICO)
Root and Branch Pamphlet 3