Discusses the purpose and benefits of revised Anglo American Cataloging Rules (AACR2) and the spectrum of opinion on the value of change in cataloging rules. Topics covered include costs versus benefits, local solutions versus Universal Bibliographic Control, "superimposition" (Library of Congress policy), the International Standard…

Describes the challenge to libraries involved in the development of online catalogs, discusses the revolutionary importance to librarianship of the online catalog, outlines the role of effective planning in implementing online catalogs, and projects some changes that will occur in libraries because of them. (JL)

Discusses ability of small computers to hold interface programs, to retrieve data from central source, to manipulate and present that data, and to engage in dialog with system user. An example of a feasible dialog between user and system which mediates and translates user's data into machine terms is highlighted. (EJS)

Seven articles present history and overview of an academic online catalog. Highlights include linking of the library circulation system with the full bibliographic record system; planning and maintenance of an online catalog; effect of the online catalog on reference (uses, services, personnel); and a microcomputer-based user interface. References…