The presidency A to Z / 
Gerhard Peters, editor ; John T. Woolley, editor ; Michael Nelson, advisory editor. 
 - 4th ed. 
 - Washington, D.C. :  CQ Press,  c2008. 
 - xviii, 675 p. :  ill., maps ;  25 cm. 
 - CQ Press American government A to Z series .
 - CQ’s American government A to Z series. .
<br/><br/> In the 2nd ed. Michael Nelson’s name came first. 
<br/><br/>Includes bibliographical references (p. 642-648) and index. 
<br/><br/><label>ISBN: </label>9780872893672 (hardcover : alk. paper) 0872893677 (hardcover : alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Presidents--United States--Encyclopedias.<br/>Presidents--United States--Biography