Dewey, Melvil. Dewey decimal classification and relative index / by Melvil Dewey. - 21 ed. - Albany, N.Y. : Forest Press, 1996. - 3 v. ; 26 cm. v. 2-3. Schedules ISBN: 0910608504 Subjects--Topical Terms: Classification, Dewey decimal. Dewey Class. No.: 025.4 DEW / 1147