Rosenthal, Anton. “Radical Border Crossers: The Industrial Workers of the World and Their Press in Latin America”. Estudios Interdisciplinarios de América Latina y el Caribe 22, no. 2 (June 3, 2011): 39-70. Accessed July 9, 2020. http://eial.tau.ac.il/index.php/eial/article/view/284.