Encylopeadia Britannica Ltd <br/><br/>
Encyclopaedia Britannica Volume 23.  Vase to Zygote 

 - Chicago  Encyclopaedia Britannica lnc.  1962 
 - 999 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>032