Columbia subject headings:
Harvard subject headings:
Clark, William, 1770-1838
Duncan, Dayton--Journeys--West (U.S.)
Duncan, Dayton--Travel--West (U. S.)
Lewis and Clark Expedition (1804-1806)
Lewis, Meriwether, 1774-1809.
West (U.S.)--Description and travel.
Princeton subject headings:
Clark, William, 1770-1838.
Duncan, Dayton--Travel--West (U.S.).
Lewis and Clark Expedition (1804-1806)
Lewis, Meriwether, 1774-1809.
West (U.S.)--Description and travel.