Ferguson, John H  McHenry, Dean E <br/><br/>
The American sysytem of government 

 - 7th ed. 
 - NewYork  Mcgraw hill  1963 
 - 779p. 
<br/><br/><label>Subjects--Index Terms: </label>Constitution  American Government 
<br/><br/><label>Universal Decimal Class. No.: </label>342.5  / FER' 63