You can view a portrait of Thomas Jefferson and the other presidents at the "By Popular Demand: Portraits of the Presidents and First Ladies, 1789-Present" Web site.
For a presentation of the Continental Congress (1774-1789) and Constitutional Convention of 1787, see "To Form a More Perfect Union." John Trumbull's painting the "Signing of the Declaration of Independence," which hangs in the U.S. Capitol rotunda is part of this presentation.
The Library of Congress is home to the papers of 23 U.S. presidents. The papers of George Washington, Thomas Jefferson and Abraham Lincoln are available from the American Memory Web site of 8 million items from the Library of Congress and other repositories.
A. Gilbert Stuart, Thomas Jefferson, Third President of the United States, 1828 (?). Prints and Photographs Division. Reproduction No.: LC-USZ62-117117 DLC (b&w film copy neg. of cropped image); Call No.: PGA - Pendleton--Thomas Jefferson ... (A size).
B. Theodor Horydczak, photographic image of "Signing of the Declaration of Independence, painting by John Trumbull in U.S. Capitol, detail II" ca. 1920-ca. 1950. Reproduction Nos.: LC-H8-CT-C01-063 DLC (color corrected film copy slide), LC-H8-CN-C01-063 DLC (col. neg. made from color corrected film copy slide); Call No.: LC-H8- C01-063.