La Batalla (Barcelona: Organo del Partido Obrero de Unificacion Marxista)
Year VII, Number 260, 17 Jul 1936, inclusive
Box: 7, Folder: 5 (Material Type: Mixed Materials)
II Epoca - Number 238, 9 May 1937, inclusive
Box: 7, Folder: 5 (Material Type: Mixed Materials)
Epoca III, Number 1 (First Illegal Issue), 10 Jul 1937, inclusive
Box: 7, Folder: 5 (Material Type: Mixed Materials)
Epoca III, Number 3, 5 Aug 1937, inclusive
Box: 7, Folder: 5 (Material Type: Mixed Materials)
Year I, Number 4, 14 Aug 1937, inclusive
Box: 7, Folder: 5 (Material Type: Mixed Materials)
Year I, Number 5, 21 Aug 1937, inclusive
Box: 7, Folder: 5 (Material Type: Mixed Materials)
