An introduction to classification and number building in Dewey / Marty Bloomberg and Hans Weber ; edited by John Phillip Immroth. Bloomberg, Marty. Weber, Hans H., 1935- joint author. Classification, Dewey decimal. 025.4 BLI Includes index. Bibliography: p. 193-195. Littleton, Colo. : Libraries Unlimited, 1976. 1976. 1976 Text 199 p. ; eng Library science text series