Roll Charles W <br/><br/>
Polls    Their use and misuse in politics    
Roll Charles W; Cantril Albert H 
 - New York  Basic Books          1972 
 - xiv,177p  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y:37, L2