Pettee Julia. <br/><br/>
Subject headings    the history and theory atf the alphabetical subject approach to books 

 -  1946 
<br/><br/><label>Standard No.: </label>9,490 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LIBRARY SCIENCE
<br/><br/><label>Dewey Class. No.: </label>2:55, H6