Zavala, Silvio Vasco de Quiroga / Silvio Zavala, Daniel Trujillo Mesina, Manuel Ponce Zavala - Morelia, Mich., México : UMSNH, c1993 - 23 p. ; 22 cm. Subjects--Personal Names: Quiroga, Vasco de, 1470-1565 LC Class. No.: BX4705 / Z3 1993