This Library of Congress site includes online images of all its Jefferson papers, about 83,000 items. Congress bought Jefferson 's collection of 6,487 books after the British burned the first Library of Congress in 1814. The papers are divided into nine groups, including financial statements and drafts of the Declaration of Independence. The images can be downloaded and some are transcribed for easier reading. The Library of Congress also has produced an absorbing, detailed timeline of Jefferson 's life, illustrated with key documents, Jefferson 's correspondence, and photos and prints.

This is a University of Virginia Website providing information relating to Jefferson’s proposed exploration and colonization of the west resulting in the Lewis & Clark Expedition.