General Biographical Research

• American National Biography Online (library database finder)

General Governing Documents

• Avalon Project (Yale Law School)
• Constitutional Convention (Teaching American History)
• Annotated Constitution (University of Chicago)

Executive Branch

• FRUS (historical) (Wisconsin)
• FRUS (modern)  (State Department)
• National Security Archive (George Washington U)

Congress

• Century of Lawmaking , 1774-1875 (LoC)
• Thomas (Congress since 1994) (LoC)

US Supreme Court

• Historic Decisions (LII / Cornell)
• History of the Court (SC Hi Soc)

Media

• 19th Century U.S. Newspapers (Library Database)
• American History in Video (Library Database)
• Chronicling America (LoC)
• Historic Newspapers / ProQuest (Library Database)
• Television News Archive (Abstracts since 1968) (Vanderbilt)

Memoirs

Google Books