Lehmann, Walter, 1878-1939 Methods and results in Mexican research / by Walter Lehmann ; tr. form the German by Seymour de Ricci - París : [Editorial no identificada], 1909 - 127 páginas Originally published in the Archiv für Anthropologie vol.VI, 1907, p. 113-168 Encabezamiento--Término Geográfico: México--Historia