The new encyclopaedia Britannica in 30 volumes  Macropaedia, Vol. 10 : knowledge of depth 

 - 15th ed. 
 - Chicago  Encyclopaedia Britannica  1974 
 - 1287 p.  Illustration 
<br/><br/><label>ISBN: </label>0852292902 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GENERALITIES
<br/><br/><label>Dewey Class. No.: </label>032  / NEW