Mexico City: Instituto Nacional de Antrpologia e Historia, 1980. Paperback. 1177p., 8.25x10.5 inches, texts in Spanishintroductory materials, volume three is an index of authors, paperbacks in matching brown pictorial wraps, all quite rubbed from packing and storage, one small corner-crease, all sound and clean within (paperstock is mildly toned throughout). A good set. Coleccion Cientifica Bibliografías 76.