La Voz Leninista (Barcelona: Organo de la Seccion Bolchevique Leninista de Espana), Aug 1937, inclusive

Year I, Number 1, Apr 1937, inclusive

Box: 8, Folder: 19 (Material Type: Mixed Materials)

Year I, Number 2, 23 Aug 1937, inclusive

Box: 8, Folder: 19 (Material Type: Mixed Materials)