La bataille socialiste is a site of Marxist education, information and documentary resources on the socialist heritage, particularly about independent revolutionary socialist movements from the 1920s to the 1940s: the Left in the French Socialist Party (SFIO) led by Marceau Pivert (Gauche révolutionnaire) and Jean Zyromski (La bataille socialiste), the Spanish POUM, the ILP and SPGB in Britain, the Dutch RSAP, the German KPO and SAP, independent Marxists of different tendencies (dissident Trotskyists, council communists, DeLeonists, etc.). Mostly in French, but with pages in English and in other languages.