Solidaridad Obrera (Barcelona: CNT-AIT, Comite Regional de Catalunya ) [See also NYU Library Catalogue], 1937 & 1943

Year VIII, Number 1588, Epoca VI, 14 May 1937, inclusive

Box: 10, Folder: 19 (Material Type: Mixed Materials)

Year IX, Number 2099, Epoca IV, 18 Jan 1939, inclusive

Box: 10, Folder: 19 (Material Type: Mixed Materials)