US National Archives
Our Documents: The Louisiana Purchase Treaty (1803)
A fantastic site from the Our Documents group that allows visitors to see an original copy of the Louisiana Purchase Treaty of 1803. This treaty allowed the United States to purchase a tract of land west of the Mississippi River that was...
Gilder Lehrman Institute of American History
Gilder Lehrman Institute: Age of Jefferson and Madison
[Free Registration/Login Required] After a brief description of Thomas Jefferson's and James Madison's contributions to the early ideology and government of the new United States in their authorship of the Declaration of Independence and...
Digital History
Digital History: Hamilton, Jefferson, First National Bank of the Us [Pdf]
As with so many other ideas, Thomas Jefferson and Alexander Hamilton were on opposite sides of the formation of a national bank. Read why Hamilton thought it was a great idea, why Jefferson opposed it, and what they each wrote to...
US National Archives
Nara: American Originals: Louisiana Purchase Treaty
Wonderful NARA site that provides pictures of the original treaty and agreements of the Louisiana Purchase. Brief introduction discusses the amount of land purchased and the cost per acre described by the Purchase.
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.