Discusses database structure, concepts, and management systems in library settings and describes the Comprehensive Automated Learning Resource System (CALS). This system was developed by NILRC to meet the needs of libraries which incorporate print and audiovisual materials in their collections. (RAA)

Review and discussion of the techniques of automatic format recognition (AFR) of bibliographic data. Comparison of record-building facilities of Library of Congress, University of California (both AFR techniques), and Ohio College Library Center (non-AFR). Projection of a next logical generation, original format recognition. (Author/LS)

On-line circulation systems divide into two types. One type contains records only for charged or otherwise absent items. The other contains a file of records for all titles or volumes in the library collection, regardless of their circulation status. This paper traces differences between the two types. (31 references) (Author)

A comprehensive automated bibliographic control system has been developed by the New York Public Library. This system is unique in its use of an automated authority system and highly sophisticated machine filing algorithms. (23 references) (Authors)

Development and implementation of an off-line catalog card production system and an on-line shared cataloging system are described. An account is given of system design and equipment selection for the on-line system. File organization and programs are described, and the on-line cataloging system is discussed. (16 references) (Author/SJ)