México: CON, S.A. de C.V., 1991. b/w and color plates, map, facs., illus. endpapers. 19th century lithography by Egerton, Castrol and other illustrate historical events in the Valley of Mexico. 6 chapters: I. Las Llaves que Fueron y Volvieron; II. Las Dos Pinturas; III. Un Milagro en el Valle; IV.....