Siebert, Fredrick Seaton,  1902- <br/><br/>
Four theories of the press :  the authoritarian, libertarian, social responsibility and soviet communist concepts of what the press should be and do / 
Fred S. Siebert, Theodore Peterson, Wilbur Schramm 
 - Chicago :  University of Illinois,  1956 
 - 153 p. ;  24 cm. 
<br/><br/>Bibliography : p. 147-153 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Press<br/>Journalism<br/>Communication