The Internationalist Communist Fraction abroad
- Anti-fascism: formula for confusion (1934)
- The "popular front" triumphs in Spain (1936)
- Against the imperialist front for the massacre of spanish workers (1936)
- The Spanish Imperialist War and the Massacre of the Asturian Miners (1937)
- Manifesto of the communist left to the proletarians of Europe (1944)