Polsby, Nelson W. <br/><br/>
Congress and the presidency 
Nelson W. Polsby 
 - 4th ed. 
 - New Delhi  Prentice Hall of India  1989 
 - xvi,287p 
<br/><br/><label>ISBN: </label>0876926138 
<br/><br/><label>Dewey Class. No.: </label>321.80420973 P767C -