University of Virginia
University of Virginia: Addresses, Messages, and Replies
In this collection from the University of Virginia you can read miscellaneous kinds of correspondence by Jefferson, including letters about American Indian issues and annual addresses to the House and Senate.
University of Virginia
University of Virginia: Letters From Thomas Jefferson
In this collection from the University of Virginia you can access a collection of letters written by Thomas Jefferson to his contemporaries.
Library of Congress
Loc: American Sphinx, Contradictions of Thomas Jefferson
This site includes links to several contradictions of Thomas Jefferson, including an essay by a prominent historian about the beliefs Jefferson espoused and his contradictory action in his life.