Grolier encyclopedia of knowledge volume 6; 
edited by:Lorimer Lawrence T. and Hacker Jeffrey H. 
 - Dunburry, Conn. :  Grolier Inc.,  1991. 
 - 415 pages;  illustrations,maps  23 cm 
 -  volume 1-20 .
<br/><br/><label>ISBN: </label>0717253007  0717253066 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries.
<br/><br/><label>Dewey Class. No.: </label>030  / G89