Congrès (3) Employment (2) Personal narratives (2) Subsoils (2) Political activists (2) May (Month) (2) Depositions (2) Occupations (2) Subsuelo (2) Trabajo (2) Sous-sol (pédologie) (2) Militants politiques (2) Dépositions (2) Récits personnels (2) Travail (2) Mai (2) France (1) Paris (1) History (1) Birthplace (1) Casualties (1) Control (1) Congresses (1) Congresses (1) Protest movements (1) Labor movement (1) Male actors (1) World War, 1914-1918 (1) Time (1) Syndicalism (1)