 Léon de Poncins was a friend of Emmanuel Malynski (died 1938)— with whom he wrote "La Guerre occulte" ("The Occult War")— and Jean Vaquié (1911–1992), with whom he wrote in the journals "Lectures françaises" and "Lecture et Tradition", and for the Chiré-en-Montreuil-based publishing house Éditions de Chiré.Léon de Poncins wrote the preface to Vaquié's "La Révolution Liturgique" (["The Liturgical Revolution"]).Julius Evola translated "La Guerre occulte" into Italian.