Grolier academic encyclopedia. - USA : Grolier International, c 1987. - Vols. : ill. ; 26 cm. Includes bibliography in every chapter. V. 18- (Sne-Sz) ; 314 314 ISBN: 0-7172-2017-6 Subjects--Topical Terms: Dictionaries and encyclopedias.Dictionary. Dewey Class. No.: 031 / G513