Useche, Isidro Vanegas. “Patriotism or Proletarian Universalism. The Place of the World in Colombian Workerism and Socialism, 1904-1930”. Historia Y Memoria, no. 7 (July 1, 2013): 269–332. Accessed July 17, 2024. https://revistas.uptc.edu.co/index.php/historia_memoria/article/view/2199.