Encyclopaedia Britannica 

 - Chicago  Encyclopaedia Britannica USA        1971 
 - 24v.  cm. 
<br/><br/><label>Standard No.: </label>15291 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GENERALIA
<br/><br/><label>Dewey Class. No.: </label>k1,N32, G2;L1.1-.24 (RR)