A relation of the invasion and conquest of Florida by the Spaniards under the command of Fernando de Soto [electronic resource] / written in Portuguese by a gentleman of the town of Elvas, now Englished ; to which is subjoyned two journeys of the present Emperour of China into Tartary in the years 1682 and 1683 ; with some discoveries made by the Spaniards in the island of California, in the year 1683.