@book{ Solr-2162121, title = {Alfonso x, el Sabio; siglo xiii.}, series = {Biblioteca de la cultura española}, author = {Sánchez Pérez, José Augusto, 1882-1958}, address = {Madrid,}, publisher = {M. Aguilar}, year = {1935}, note = {At head of title: José A. Sánchez Pérez.}, }