Corwin, Edward Samuel,  1878-1963. <br/><br/>
The president :  office and powers, 1787-1957; history and analysis of practice and opinion / 
by Edward S. Corwin. 
 - 4th rev. ed. 
 - New York :  New York University Press,  1957. 
 - xiii, 519 p. ;  25 cm. 
<br/><br/>Bibliographical references included in'Notes' (p. 315-496) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Executive power--United States.<br/>Presidents--United States.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Politics and government.