Ingersoll, Thomas G. <br/><br/>
Politics and structure:  essentials of American National Government / 
Thomas G. Ingersoll, Robert E. O'Connor. 
 - 4th. ed. 
 - Monterey, Ca.:  Brooks/Cole Publishing Co.,  1986. 
 - 200 p. ;  ill. ;  24 cm. 
<br/><br/> Includes indexes. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0534058442 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Politics and government.