The presidency A to Z :  A ready reference encyclopedia / 
Michael Nelson, advisory editor. 
 - Rev. ed. 
 - Washington, D.C. :  Congressional Quarterly,  1994. 
 - 574 p. :  ill ;  25 cm. 
 - CQ’s encyclopedia of American government .
<br/><br/>Includes bibliographical references (p. 547-551) and index. 
<br/><br/><label>ISBN: </label>1568020562 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Presidents United States Encyclopedias.