Encyclopaedia Britannica, Index to Vol.-1-23 

 - Chicago  William Benton U.S.A         1970 
 -  22        .
<br/><br/><label>Standard No.: </label>6,966 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ENCYCLOPAEDIA BRITANNICA
<br/><br/><label>Dewey Class. No.: </label>k3,L68, L0