Argues that the involvement of national libraries is necessary for the universal availability of publications. Acquisition, document supply, document retention, and retrieval of older materials all require planning and management by national libraries to facilitate transfer of materials to countries worldwide. National libraries may need to…

Focuses on access to digital image collections by means of manual and automatic indexing. Contains six sections: (1) Studies of Image Systems and their Use; (2) Approaches to Indexing Images; (3) Image Attributes; (4) Concept-Based Indexing; (5) Content-Based Indexing; and (6) Browsing in Image Retrieval. Contains 105 references. (AEF)

Using decision points from Esther Piercy's "Commonsense Cataloging" as a framework for analysis, this paper compares the opinions of experts on cataloging, classification, and shelf arrangement of audiovisual materials in school libraries, public libraries, and media centers with actual practices in four school and community libraries in…

Discusses developments in video-based information systems, including interactive and digital videodisc, videotex, satellite broadcasting, and expanded uses of videocassettes and cable television in interactive mode. Highlights include role of academic library media centers, videodisc and optical discs, videotex, other video-based information…

This article reviews studies of school library media collections which address issues related to collection evaluation, networking, collection mapping, student preferences, and special collections. A summary of practical implications of the research findings and a proposed research agenda are appended. (35 references) (SD)