Rubiano Montaño, Penélope, et al. “Methodology for the Preparation of a Photographic Historical Information System for Local History in Extremadura. The Example of Los Santos de Maimona”. Revista General de Información Y Documentación, vol. 29, no. 1, May 2019, pp. 241-59, https://doi.org/10.5209/rgid.64547.