Note: - Description based on: Ep. 1, no. 5 (dic. 10 de 1922); title from caption.
- DOI: 10.1163/ejb9789004244900.LALP-Mx-63
- ep.1:no.5 (1922). Leiden : Brill, 2013. (Latin American anarchist and labour periodicals, 1880-1940 ; LAL-1:Mx-63.). Scanned from microfilm.