Источники
The American Presidency Project
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Post-Convention Bounce in Voter Preferences for U.S. Presidential Elections
Public Papers of the U.S. Presidents
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U.S. Election Popularity-Presidential Job Approval Rating
U.S. Election-Relations with Congress
U.S. Elections - Days Before/After the First Day of Convention Vice-Presidential Nominees Were Selected
U.S. Election-Voter Turnout in Presidential Elections
U.S. General Election Preferences
U.S. Presidential Election-Public Appearances
U.S. Presidential Elections Data, 1824-2020
US Election - No. of Ballots Required to Nominate Presidential & Vice Presidential Candidates
US Election - No. of Times Cities have Hosted Democratic & Republican National Conventions(1832-2020)
US Election - Presidential Vetoes
US Election- Presidential Election Mandates
US Election Year Presidential Preferences
US Election: Length of Political Party Platforms (in words)