The Columbia encyclopedia, 
edited by William Bridgwater and Elizabeth J. Sherwood. 
 - 2d ed. 
 - New York,  Columbia University Press,  1950. 
 - 2203 p.  31 cm. 
<br/><br/> Kept up to date by cumulative supplements.  Fourth ed. published under title: The New Columbia encyclopedia. 
<br/><br/><label>LCCN: </label>50011218  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries.
<br/><br/><label>LC Class. No.: </label>AG5  / .C725 1950