Encyclopaedia Britannica  Vol. 21 

 - Chicago :  Encyclopaedia Britannica,  1768 
 - 1160 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Generalities
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Encyclopedia
<br/><br/><label>Dewey Class. No.: </label>031  / ENC-E.21