- Anti-fascism: formula for confusion – Bilan (May 1934) (Em Breve)
- Problems of the Period of Transition – Bilan (#28, February-March 1936) (Em Breve)
- The “popular front” triumphs in Spain – Bilan – Bilan (March-April 1936) (Em Breve)
- Against the imperialist front for the massacre of Spanish workers we must oppose the class front of the international proletariat – Bilan (August – September 1936) (Em Breve)