Mexican copper tools : the use of copper by the Mexicans before the conquest, and The Katunes of Maya history, a chapter in the early history of Central America, with special reference to the Pio Perez manuscript
Valentini, Philipp Johann Josef, 1828-1899; American Antiquarian Society; Salisbury, Stephen, 1835-1905; Pérez, Juan Pío, 1798-1859