Library of congress subject headings 

 - 20th 
 - Washington  LIbrary of Congress  ServiceU.S.A  Service  1997 
 - xvii, 6165p.  cm. 
 -  Vol. 1 .
<br/><br/><label>ISBN: </label>10489711 (pbk) 
<br/><br/><label>Standard No.: </label>90055 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LIBRARY SCIENCE
<br/><br/><label>Dewey Class. No.: </label>2:55, L5;N7.1-.4 (RR)