Coyle, David Cushman,  1887-1969 <br/><br/>
The united states political system :  And how it works / 
By David cushman coyle 
 - # rev. ed. 
 - 191 páginas 
 - Amentor book .
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Estados Unidos--Política y gobierno--Manuales
<br/><br/><label>LC Class. No.: </label>JK274  / C686 1963