Lettres à Paul Delesalle 1914 - 1921. Introd. par Robert Louzon. Avant-propos de Jean Prugnot - Sorel, Georges 1847-1922 (Grasset, 1947)
Keywords: Delesalle, Paul; Communisme - URSS; France; social history; after 1789; social ideas, movements; socialism; after 1870; personalities; Sorel, Georges; Frankrijk; sociale geschiedenis; na 1789; sociale ideeën en bewegingen; socialisme; na 1870; personen; Sorel, Georges; Socialisme; Syndicalisme; Kommunismus; Sozialismus; Communism -- Soviet Union; Socialism; Syndicalism; Sowjetunion