The American Presidency Project

The American Presidency Project, non-profit and non-partisan, is the leading source of presidential documents on the internet. Our rapidly-growing collection is hosted at the University of California, Santa Barbara.

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    • US Election Year Presidential Preferences
      8月 2017
      ソース： The American Presidency Project
      アップロード者： Knoema
      以下でアクセス： 23 8月, 2017
      データセットを選択
      Gerhard Peters. "Election Year Presidential Preferences." The American Presidency Project. Ed. John T. Woolley and Gerhard Peters. Santa Barbara, CA: University of California. 1999-2016