Hawken, William R <br/><br/>
Copying methods manual 

 - Chicago:   American Library Association,   1966 
 - xv, 375p. 
 - LTP publication  No. 11 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information science
<br/><br/><label>Universal Decimal Class. No.: </label>D 778.1(02)  / K8