The American Presidency Project is a major web resource providing a searchable database of, and analyses based on, presidential public documents. This includes speeches, orders, proclamations, messages, and other documents related to John Tyler and his administrations.
This publication contains a short biography of every member of Congress from 1774 to the present, including John Tyler. It also provides a selected bibliography and a listing of research collections related to Tyler.
The official White House website presents a brief biography of John Tyler. In addition, biographical information is presented for his first wife, Letitia Christian Tyler, and second wife, Julia Gardiner Tyler.