PAST U.S. PRESIDENTS - INFORMATION, LIBRARIES, PUBLICATIONS
The American Presidency Project - party platforms beginning in 1840, inaugural addresses since 1789, public papers since 1929, signing statements, state of the union addresses, etc. (hosted by University of California, Santa Barbara)
Presidential Timeline of the 20th Century - a multimedia online archive of presidents from Herbert Hoover to Bill Clinton - includes documents, diaries, maps, photo galleries, audio recordings, video clips, and classroom projects for teachers
John F. Kennedy Executive Orders (University of Michigan Documents Center)
POTUS (Presidents of the United States) - provides background information, election results, cabinet members, notable events, and some points of interest on each of the presidents. Links to biographies, historical documents, audio and video files.
Presidential Libraries - links to presidential libraries from Hoover to Clinton.
Public Papers of the Presidents (1991 to present) - the president's public speeches, proclamations and sometimes executive orders are collected and published together in an annual volume, arranged chronologically.
Also available from: University of Michigan Digital Library
Clinton Administration - The National Archives & Records Administration maintains a Virtual Library of materials