F. Caballero Wangüemert, “Bordallo Pinheiro and Castelao: Parallels between the two summits of the GalicianPortuguese humoristic cartoon”, Estud. mensaje periodís., vol. 21, no. 1, pp. 73–88, May 2015, doi: https://doi.org/10.5209/rev_ESMP.2015.v21.n1.49081