Details the characteristics of authority records in the machine readable Library of Congress Subject Headings. Statistics are given on occurrences of variable length fields and the length and maximum length of such fields in subject heading records. The usefulness of these statistics for system design is discussed. (five references) (CLB)

Discusses the relative ease of obtaining library management statistics when using machine readable records and powerful software tools such as the Statistical Analysis System package. The development of such a management information system for the Cataloging in Publication division of the Library of Congress is described. (Seven notes with…

Discusses the need to reassess the objectives of online public access catalogs and how those objectives might be met before costly investments are made in electronic versions of "other data" for online catalogs. Several objectives are outlined and their feasibility in the modern telecommunications environment is examined. (two references) (CLB)