Columbia subject headings:
Mississippi River Valley--History--To 1803.
Osage Indians--History.
Spaniards--Mississippi River Valley--History--18th century.
Harvard subject headings:
Mississippi River Valley--History--To 1803.
Osage Indians--History.
Spaniards--Mississippi River Valley--History--18th century.
Princeton subject headings:
Mississippi River Valley--History--To 1803.
Osage Indians--History.
Spaniards--Mississippi River Valley--History--18th century.