POTUS: Presidents of the United States : Provided by the University of Michigan Digital Library. Public Papers of the Presidents of the United States, 1929-2000, compiled and published by the Office of the Federal Register, National Archives and Records Administration. Provides information such as print and online biographies, listings of cabinet members, election results, audio files, and historical documents.
President : Maintained by the Leadership Information Archives at the University of North Carolina at Chapel Hill. Furnishes links to archival material on U.S. presidents and presidential libraries from Herbert Hoover to the present.
White House includes federal branches, offices and agencies.