O'Connor, Robert E. <br/><br/>
Politics and structure :  essentials of American national government / 
Robert E. O'Connor, Thomas G. IngersoII, Robert F. Pecorella. 
 - 5th ed. 
 - Pacific Grove, Calif. :  Brooks/Cole Pub.,  c1990. 
 - xii, 238p. ; 23 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0534120245 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Politics and government
<br/><br/><label>LC Class. No.: </label>JK274   / Oc5 1990