Statistics for occurrence #1 of “P. P. Barbour” in entry presidential-administrations of Harper's Encyclopedia of United States History:

...d, Treasury; Calhoun (and others), War, Congress, Republican, Clay, speaker. 1821-25: Monroe; Tompkins, Vice-President; J. Q. Adams, State; Crawford, Treasury; Calhoun, War. Congress, Republican; P. P. Barbour and Clay, speakers. 1825-29: J. Q. Adams, National Republican; Calhoun, Vice-President, Democrat; Clay, State. Congress, 1825-27, National Republican; J. W. Taylor, speaker; 1827-29, Democratic; ...
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† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.