id author title date pages extension mime words sentence flesch summary cache txt crl-13541 Kohler, Carolyn W. Documentation of the United Nations System: Co-ordination in its Bibliographic Control (Book Review) 1980-07-01 2 .pdf application/pdf 1257 75 56 The material on criteria for eval- uating the quality of commercial slides is expanded, the discussion of copyright now includes reference to the 1978 Copyright Law, and a new (but regrettably brief) sec- tion on the use of microfiche (color as well as black and white) in slide collections has been added. As in the first edition, the remainder of the chapter contains outlines and descriptions of slide classification systems used by a variety of institutional slide collections. cache/crl-13541.pdf txt/crl-13541.txt