The conquest of the River Plate (1535-1555).: I: Voyage of Ulrich Schmidt to the rivers La Plata and Paraguai, from the original German ed., 1567. II, The commentaries of Alvar Nunez Cabeza de Vaca, from the original Spanish ed., 1555
Schmidel Ulrich, Núñez Cabeza de Vaca Alvar, Dominguez Luis L | The Hakluyt Society | 1891