The Universal Decimal Classification

A Guide To Personal Indexes 2nd Ed.(Revised & Enlarged) Foskett, A C The Subject Approach to Information Foskett, A C Dewey decimal classification and relative index Dewey, Melvil Dewey decimal classification and relative index Dewey, Melvil Dewey decimal classification Mahmud ul-Hassan Dewey decimal classification and relative index Dewey, Melvil A modern outline of library classification Mills, J. Library cataloguing and classification systems edited by M. S. Ramalingam