Currently provides access to the Papers of Presidents George H.W. Bush, Bill Clinton, George W. Bush and Barack Obama.
O'Neill Stacks J80. A283 (Public Papers of Presidents Herbert Hoover through George W. Bush are found at this call number) E806. R749 (FDR is an exception. His papers were published separately from the others.)
Search veto messages from Washington to Obama. Under the Documents drop down menu on the home page choose from Oral: Remarks - Bill Vetoes, Written: Messages - Bill Vetoes, or Written: Statements - Veto Statements.
Digital collection maintained by the Library of Congress. Contains primary source material such as diaries and letters from witnesses, as well as photographs and searchable transcripts. Material available varies from president to president.