The new Encyclopaedia Britannica :  micropaedia : ready references and index.  Volume VI 

 - 15th ed. 
 - Chicago, Ill. :  Encyclopaedia Britannica,  c1981 
 - [1008] p. :  ill. (some col.) 
<br/><br/><label>ISBN: </label>085229378X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ENCYCLOPEDIAS AND DICTIONARIES
<br/><br/><label>LC Class. No.: </label>AE5  / N483 1981