The Avalon Project presents a selection of Jefferson's papers, including transcriptions of his annual messages to Congress, inaugural addresses, Indian addresses, and miscellaneous papers.

The National Archives, through its National Historical Publications and Records Commission (NHPRC), has entered into a cooperative agreement with The University of Virginia Press to create this site and make freely available online the historical documents of the Founders of the United States of America. This site provides online access to all of the content of the print volumes of The Papers of Thomas Jefferson.

The Miller at the University of Virginia presents essays about Jefferson and his life before, during, and after his presidential terms.

The Thomas Jefferson Foundation's Web site on Monticello, Jefferson's home, provides a multimedia look at Monticello with 3-D models of the house, narrated tours, special animations, and an interactive map. The Research and Collections section includes a link to the Thomas Jefferson Encyclopedia, which contains hundreds of articles by Thomas Jefferson Foundation staff members and associated scholars. The Jefferson Library's reference page provides guides, tutorials, and research tools useful in exploring Jefferson's life. The Education section of the site presents study resources for students and information for teachers such as lesson plans.

Princeton University provides information concerning The Papers of Thomas Jefferson, an authoritative and comprehensive edition of the correspondence and papers of Thomas Jefferson. This site contains the online indexes to The Papers of Thomas Jefferson and a small selection of primary-source documents with annotations.

A guide to the University of Virginia's collections related to Thomas Jefferson, with additional links to texts and information resources about Jefferson.

The PBS Web site for Ken Burns’s historical documentary includes classroom materials; images and transcripts of some of Jefferson’s most important public and private writings and other documents related to him; and transcripts of interviews with twenty-four expert scholars, writers, and interpreters of Jefferson’s life and legacy who served as consultants or on-screen commentators for the film.

An online reference resource sponsored by the Thomas Jefferson Foundation/Monticello, the Thomas Jefferson Encyclopedia provides authoritative brief articles on a host of topics concerning Jefferson and the world he inhabited.

A selection of manuscripts from the Coolidge Collection of Thomas Jefferson manuscripts at the Massachusetts Historical Society. This site presents digital images and searchable transcriptions of Jefferson's Farm Book and Garden Book (his personal records relating to his farm holdings and gardens), architectural drawings, and a handwritten copy of the Declaration of Independence. It also includes Jefferson's catalog of books from 1783 and 1789.

Experts at the Jefferson Library, Monticello, have recreated Thomas Jefferson's libraries in virtual form as a Legacy Library on the website LibraryThing.

Jefferson’s “other” home, in Bedford County, Virginia, served as his vacation retreat throughout his post-presidential retirement years. More than any other place, it reflects his fully matured ideals of domestic architecture and landscape design. Its Web site includes extensive information about the buildings and grounds; current restoration efforts and archaeological investigations; the life lived there by Jefferson, his family, and the slave community; and materials for educators and students.