Columbia subject headings:
America--Discovery and exploration--Spanish.
Mississippi River Valley--History.
United States--History--Colonial period, ca. 1600-1775.
Harvard subject headings:
America--Discovery and exploration--Spanish.
Mississippi River Valley--History.
United States--History--Colonial period, ca. 1600-1775.
Princeton subject headings:
America--Discovery and exploration--Spanish.
Mississippi River Valley--History.
United States--History--Colonial period, ca. 1600-1775.