| | Arellano also was active in the Marxist-Leninist group Centro de Accion Social Autonomo (CASA, or "Center for Autonomous Social Action"), prior to founding Centros Sin Frontieras.<ref>Vicki L. Ruiz. Latinas in the United States: A Historical Encyclopedia. Indiana University Press, 2006. https://books.google.com/books/about/Latinas_in_the_United_States_set.html?id=_62IjQ-XQScC</ref><ref>Myrna Garcia. “Sin Fronteras: Activism, Immigration, and the Politics of Belonging in Mexican Chicago, 1968-1986.” University of California, San Diego. March 23, 2016. Accessed December 4, 2018. https://escholarship.org/content/qt70k0j7t5/qt70k0j7t5.pdf</ref> | | Arellano also was active in the Marxist-Leninist group Centro de Accion Social Autonomo (CASA, or "Center for Autonomous Social Action"), prior to founding Centros Sin Frontieras.<ref>Vicki L. Ruiz. Latinas in the United States: A Historical Encyclopedia. Indiana University Press, 2006. https://books.google.com/books/about/Latinas_in_the_United_States_set.html?id=_62IjQ-XQScC</ref><ref>Myrna Garcia. “Sin Fronteras: Activism, Immigration, and the Politics of Belonging in Mexican Chicago, 1968-1986.” University of California, San Diego. March 23, 2016. Accessed December 4, 2018. https://escholarship.org/content/qt70k0j7t5/qt70k0j7t5.pdf</ref> |