Paul Avrich (1979). «Bakunin and the United States». International Review of Social History (Cambridge University Press) 24 (3): 320-340.
doi.org
dx.doi.org
Madison, Charles A. (1945), «Anarchism in the United States», Journal of the History of Ideas (University of Pennsylvania Press) 6 (1): 46-66, JSTOR2707055, doi:10.2307/2707055.
issuu.com
«Revista dada 07». issuu(en esp). p. 17. Consultado el 12 de julio de 2017.
jstor.org
Madison, Charles A. (1945), «Anarchism in the United States», Journal of the History of Ideas (University of Pennsylvania Press) 6 (1): 46-66, JSTOR2707055, doi:10.2307/2707055.