Columbia subject headings:
Harvard subject headings:
Ibarra, Francisco, de, -1575.
Indians of Mexico--Mexico--Sonora (State)--History--16th century.
Mexico--History--Spanish colony, 1540-1810.
Obregón, Baltasar de, 1544-
Sonora (Mexico : State)--Discovery and exploration.
Princeton subject headings:
Ibarra, Francisco de, -1575.
Indians of Mexico--Mexico--Sonora (State)--History--16th century.
Mexico--History--Spanish colony, 1540-1810.
Obregón, Baltasar de, 1544-
Sonora (Mexico : State)--Discovery and exploration.