Collier's encyclopedia : with bibliography and index 
William D. Halsey, editorial director. 
 -  Macmillan Educational Corp.,  1978 
 - 24 v. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries.
<br/><br/><label>Dewey Class. No.: </label>R 030 H16c 1978