The new encyclopaedia britannica/vol,6 

 - 15th:- 
 - chicago:  encyclopaedia britannica,inc  1989. 
 - 982p:,  ills;.  28cm, 
<br/><br/> book 
<br/><br/><label>ISBN: </label>085229493X 
<br/><br/><label>LC Class. No.: </label>AE5  / .E363 1989