Pettus Clyde.   <br/><br/>
Subject headings in education    a systematic list for use in a dictionary catalogue 

 -  1938 
<br/><br/><label>Standard No.: </label>9506 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LIBRARY SCIENCE
<br/><br/><label>Dewey Class. No.: </label>2:5513e0T, G8