Reyes Alvarado, Alfonso. “Speech, Presentation Event of the Book: Alfonso Reyes Echandía. Teacher, Magistrate, Martyr, Written by Doctor Jorge Restrepo Fontalvo”. Dos Mil Tres Mil, no. 18, Nov. 2016, pp. 111-3, https://revistas.unibague.edu.co/dosmiltresmil/article/view/40.