Encyclopaedia Britannica, Inc. <br/><br/>
New Encyclopaedia Britannica in 30 volume Macropaedia (Knowledge in Depth)  Tirane Zywny 

 - 1st ed. 
 - USA.  Encyclopaedia Britannica Inc.  1977 
 - 1178p. 
 - Vol. 30 .
<br/><br/><label>ISBN: </label>852293151 
<br/><br/><label>Dewey Class. No.: </label>032  / ENC/ENC