Columbia subject headings:
Indians of North America.
Louisiana Purchase.
Louisiana--Discovery and exploration.
Mississippi River--Discovery and exploration.
Missouri River--Discovery and exploration.
West (U.S.)--Discovery and exploration.
Harvard subject headings:
Brackenridge, H. M. (Henry Marie), 1786-1871--Travel--Missouri River.
Indians of North America--Mississippi River Valley.
Louisiana Purchase.
Louisiana--Description and travel
Mississippi River Valley.
Missouri River--Description and travel.
Travel writing.
Princeton subject headings:
Indians of North America--Mississippi River Valley.
Louisiana Purchase.
Louisiana--Description and travel.
Mississippi River Valley.
Missouri River--Description and travel.