Comaromi, John P.. Manual on the Use of the Dewey Decimal Classification / - 19 ed. / - Albany, N.Y. 12206 : Forest Press A Division of Lake Placid Education Foundation , 1985 - xxvii,551p ; ISBN: 0-9106008-32-6 Subjects--Topical Terms: Library Science Dewey Class. No.: 2:51M / M2;2