Benton, William. A New Survey Of Universal Knowledge Encyclopedia Britanniaca : Index To Volumes 1 To 23 Atlas, Index To Atlas Lists of Contributors - 15 th Ed. - Encyclopaedia Britannica, Inc Chicago 1963 - x, 888 p. Ill. 28 cm Nat. Bib. Agency Control No.: 032 ENC Subjects--Topical Terms: English Encyclopaedia Dewey Class. No.: 032 / ENC