Some Presidential interpretations of the Presidency,

Eitemau Tebyg

• The ordinance making powers of the President of the United States.
  gan: Hart, James, 1896-1959
  Cyhoeddwyd: (1970)
• The President of the United States
  gan: Egger, Rowland, 1908-
  Cyhoeddwyd: (1972)
• President and Congress,
  gan: Binkley, Wilfred E. (Wilfred Ellsworth), b. 1883
  Cyhoeddwyd: (1947)
• President and Congress.
  gan: Binkley, Wilfred E. (Wilfred Ellsworth), 1883-
  Cyhoeddwyd: (1962)
• The President, office and powers, 1787-1948; history and analysis of practice and opinion.
  gan: Corwin, Edward S. (Edward Samuel), 1878-1963
  Cyhoeddwyd: (1948)