Intellectual freedom manual / 
compiled by the Office for Intellectual Freedom of the American Library Association. 
 - 7th ed. 
 - Chicago :  American Library Association,  2009. 
 - xx, 521 p. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9788170005636 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Libraries--Censorship--United States--Handbooks, manuals, etc.