Nelson, Michael;  <br/><br/>
The presidency and the political system 

 - 9th 
 - Washington  CQ Press  2010 
 - xvi, 550p.  ill. 
<br/><br/><label>ISBN: </label>9780872899643 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PRESIDENTS- UNITED STATES
<br/><br/><label>Dewey Class. No.: </label>352.230973  / PRE