Library of congress subject headings 
Prepared by the Cataloging policy and support office, Library service. 
 - 25th ed. 
 - Washington  Library of Congress  2002 
 - 5v. (various pagination), 28cm. 
<br/><br/><label>ISBN: </label>1-1048-9711. 
<br/><br/><label>Dewey Class. No.: </label>025.49  / L58L