Symbols of American libraries 

 - Washington  Library of Congress  1969 
 - 72 p. ; 27 cm. 
<br/><br/> 10th ed.-  Symbols used in the National union catalog of the Library of Congress. 
<br/><br/>Earlier vols. issued with title: Symbols used in the National union catalog of the Library of Congress and other union catalogs. 
<br/><br/><label>LCCN: </label>33-013797 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Libraries--United States--Abbreviations--Periodicals<br/>Libraries--Canada--Abbreviations--Periodicals