Describes a study that examined the ability of the dBase database management system to perform secondary key retrieval on multivalued data items. The results are presented as time cost relative to the number of matching records, and situations in which a different management system might be appropriate are identified. (CLB)

Assesses the current state of reference structures in online public access catalogs (OPACs) in a framework defined by stagnation, progress, and future challenges. Outlines six areas for reference structure development. Twenty figures provide illustrations. (AEF)

Discusses the benefits of mounting commercial and local databases to provide online access and describes the approach taken by the University of Pennsylvania. The issues discussed include database, local data file, and software selection; agreements with online vendors; cost effectiveness; and actual use of the online files at the university. (CLB)

Describes the implementation of a new set of indexes in the NOTIS/LUIS system that provide author, title, and subject access to bibliographic and authority records in the NOTIS/MARC format. The discussion covers index record structure and content, the design philosophy and process, and functions supported by the system. (Author/CLB)