Katz, Elihu,  1926-2021. <br/><br/>
Personal influence :  the part played by people in the flow of mass communications / 
by Elihu Katz and Paul F. Lazarsfeld. With a foreword by Elmo Roper. 
 - First Free Press Paperback Edition. 
 - xx, 400 pages ;  24 cm 
<br/><br/> Include index.  A Report of the Bureau of Applied Social Research Columbia University. 
<br/><br/>Bibliography: pages 381-393. 
<br/><br/><br/>Text in English 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Constitutional law
<br/><br/><label>Subjects--Geographic Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>342  / KA . P