Ferreira, José Maria Carvalho. “The Historical Singularity of Anarchism in Portugal”. Ridphe_R, Ibero-American Journal of Historical-Educational Patrimony 8, no. 00 (December 22, 2022): e022022. Accessed August 25, 2024. https://econtents.bc.unicamp.br/inpec/index.php/ridphe/article/view/17491.