White House Historical Association
White House Historical Association: Thomas Jefferson and the Louisiana Territory
Information with lesson plan for grades 9-12 about Thomas Jefferson and the events surrounding his decision to purchase the Louisiana Territory.
Discovering Lewis & Clark
Discovering Lewis & Clark: The Louisiana Purchase
Website detailing the events leading up to the Louisiana Purchase and the actual deal that took place.
Other
Gateway New Orleans: Louisiana Purchase
Read a description of the terms of the Louisiana Purchase. There is a map to show the land that was included in this deal.
The History Cat
The History Cat: Us History: Louisiana Purchase
Covers two topics related to the growth of the new United States - the Louisiana Purchase and the settling of the Great Plains. How the Louisiana Purchase came about as a result of a decision by Napoleon is explained. The Great Plains...
US National Archives
Docsteach: Lewis & Clark's Expedition to the Complex West
This activity can be used as an introduction or for a closer study of the Lewis & Clark Expedition. Students will learn that the United States purchased the Louisiana Territory in 1803 and President Thomas Jefferson sent Lewis and...
Siteseen
Siteseen: American Historama: Lewis and Clark Expedition
Presents important information about the Lewis and Clark expedition with 20 interesting facts about this important event that occurred during the presidency of Thomas Jefferson. The Lewis and Clark expedition helped by Sacagawea traveled...
US National Archives
National Archives: Lewis and Clark's Expedition to the Complex West
Jefferson sent Lewis and Clark to explore the land annexed in the Louisiana Purchase knowing that his area was already inhabited and politically complicated. Young scholars will explore documents related to the purchase and use the map...
Pennsylvania Historical and Museum Comission
Explore Pa History: Lewis and Clark in Pennsylvania
Discover the role Lewis and Clark played in history of Pennsylvania in this detailed account. Contained within this site are links to video, maps, and pictorial images of this era.