Columbia subject headings:
Indians of North America--Medicine.
Lewis and Clark Expedition (1804-1806)
Medicine--United States--History--18th century.
Medicine--United States--History--19th century.
Harvard subject headings:
Indians of North America--Medicine
Lewis and Clark Expedition (1804-1806)
Lewis and Clark Expedition (1804-1806)--Health aspects.
Medicine--United States--History--18th century
Medicine--United States--History--19th century
Princeton subject headings:
Indians of North America--Medicine.
Lewis and Clark Expedition (1804-1806)
Medicine--United States--History--18th century.
Medicine--United States--History--19th century.