Girón Sierra, J. “‘De Ces Cartes on Verra Surgir Les Lois De La Distribution Des Styles d’Architecture.’ Mapping the History of Architecture in the Nineteenth Century (II):Viollet-Le-Duc, Auguste Choisy and the Comparison and Overlapping of Thematic Maps As a Method”. Bitacora Arquitectura, no. 42, Mar. 2020, pp. 126-39, doi:10.22201/fa.14058901p.2019.42.72894.