Columbia subject headings:
Clark, William, 1770-1838.
Lewis and Clark Expedition (1804-1806)
Lewis, Meriwether, 1774-1809.
Rocky Mountains Region--Description and travel.
West (U.S.)--Description and travel.
Harvard subject headings:
Princeton subject headings:
Clark, William, 1770-1838.
Lewis and Clark Expedition (1804-1806)
Lewis, Meriwether, 1774-1809.
Rocky Mountains region--Description and travel.
West (U.S.)--Description and travel.