Mserrill Stetson William <br/><br/>
Code for Classifiers- Principles Governing the Consistent Placing of Books in a System of Classification Second Edition 

 - Chicago:  American Library Association,  1939. 
 - 177. p;  -  21.8 cm 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library & information science
<br/><br/><label>Dewey Class. No.: </label>025.4  / Mer