Papers on classification and subject cataloging which were presented at the 1983 International Federation of Library Associations (IFLA) conference include: (1) "PRECIS: Basic Principles, Function, and Use," in which Derek Austin (United Kingdom) describes the automated subject indexing system developed for use in the "British National Bibliography"; (2) "The PRECIS Project of the Deutsche Bibliothek [at] Frankfurt am Main," in which Bernd Maassen (West Germany) outlines project background and activities as well as criticisms of PRECIS; (3) "Computer-Aided Subject Cataloguing at the Deutsche Bibliothek in Frankfurt am Main," a review by Barbara Kelm (West Germany) of indexing principles, computer-generated indexing aids, central information services of the Deutsche Bibliothek, and possibilities for cooperative subject cataloging; (4) "Waiting for Technology: An Overview of Bibliographic Services in the Third World," in which Dorothy Anderson discusses the introduction of information technology and library development in the Third World; (5) "Problems in the Cataloguing of the Products of Rapidly Changing Technologies: With Special Reference to Machine-Readable Files" by Lenore Coral (United States), which discusses different methods for cataloging machine readable databases; and (6) "International Bibliographic Filing Principles and Rules" by Ernst Kohl (West Germany), which describes standardization of bibliographic filing rules and the development of International Standard ISO 7154. (ESR)