Columbia subject headings:
Ewing, George Washington, 1803-1866.
Ewing, William G., -1854.
Indians of North America--Government relations--1789-1869.
Trading posts--Northwest, Old.
Harvard subject headings:
Ewing, George Washington, 1803-1866.
Ewing, William G., -1854.
Indians of North America--Government relations--1789-1869.
Indians of North America--Northwest, Old.
Trading posts--Northwest, Old.
Princeton subject headings:
Ewing, George Washington, 1803-1866.
Ewing, William G., -1854.
Indians of North America--Government relations--1789-1869.
Indians of North America--Northwest, Old--Trading posts.