Williams, James G <br/><br/>
Classified Library of Congress subject headings 
edited by James G. Williams 
 - 2nd ed. 
 - New York  Dekker  1982 
 - 2vols. 
<br/><br/><label>ISBN: </label>0824769589 
<br/><br/><label>LC Class. No.: </label>Z 695.U48 Cla