Pettus Clyde <br/><br/>
Subject headings in education: A systematic list for use in a dictionary catalog 

 - New York, USA  H. W. Wilson Company   1938 
 - xiv,188p. 
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library Science