Kahn, Gilbert <br/><br/>
Progressive filing/ 
Gilbert Kahn, Theodore Yerian and Jeffrey R. Stewart, Jr. 
 - 7th ed. 
 - New York:  McGraw-Hill,  c1961 
 - ix, 182 p.:  ill.;  23 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> $ 4.56 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Filing systems<br/>Indexing<br/>Office practice
<br/><br/><label>Dewey Class. No.: </label>651.53