Lanzamiento: Jul 10, 1937
Duración: 53 minutos
Género: Documental
Estrellas: Manuel Azaña, José Díaz, Dolores Ibárruri, Enrique Lister, Commander Martinez de Aragón, Gustav Regler
Crew: Prudencio de Pereda (Writer), John Dos Passos (Writer), Joris Ivens (Writer), Archibald Macleish (Writer), Joris Ivens (Director), Lillian Hellman (Writer)