Encyclopedia Britannica book of the year 1940 (Supplement). 

 -  1930 
<br/><br/><label>Standard No.: </label>31173 
<br/><br/><label>Source: </label> Dictionary 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GENERALIA
<br/><br/><label>Dewey Class. No.: </label>33:L681, H0.1   RR