The presidency and the political system /

Eitemau Tebyg

• The modern presidency
  gan: Pfiffner, James P
  Cyhoeddwyd: (2000)
• The state of the presidency /
  gan: Cronin, Thomas E.
  Cyhoeddwyd: (1980)
• American President : from Teddy Roosevelt to Bill Clinton /
  gan: Leuchtenburg, William E.
  Cyhoeddwyd: (2015)
• The politics of the presidency /
  gan: Pika, Joseph A.
  Cyhoeddwyd: (2014)
• George Bush and the guardianship presidency
  gan: Mervin, David
  Cyhoeddwyd: (1996)