10 Little-Known Facts About the Lewis and Clark Expedition - HISTORY
Lewis and Clark's Expedition
The Lewis and Clark Expedition, 1803 to 1806, A Portrait of Army Leadership - Lewis and Clark - Corps of Discovery - U.S. Army Center of Military History
Lewis & Clark Trail | Adventure Cycling Route Network | Adventure Cycling Association
Exploration: Lewis and Clark [ushistory.org]
Jefferson, the Louisiana Purchase and the Lewis & Clark Expedition | Thomas Jefferson's Monticello