Public Opinion, Surveys, and Ranking of the Presidents

C-SPAN Survey of Presidential Leadership
The Science of Ranking U.S. Presidents from Gallup
Presidents & Executive Politics Presidential Greatness Survey
Presidential rankings article from Wikipedia
Rating the Presidents: Washington to Clinton
Ratings of the Presidents
How Television Affects Perceptions of the President
What Makes a Good President? - American Psychological Association
C.D. Strand's Ranking of the Presidents
Public Opinion poll rating the Presidents
Presidential Job Approval Changes
Books about Presidential rankings and public opinion
The American Presidents Ranked by Performance
Where They Stand: The American Presidents in the Eyes of Voters and Historians
Presidential Approval: A Sourcebook
Rating the Presidents: A Ranking of U.S. Leaders, from the Great and Honorable to the Dishonest and Incompetent
From Camelot to the Teflon President
Assessing the President: The Media, Elite Opinion, and Public Support