Provides a brief description of the Z39.50 information retrieval standard and reviews evaluation criteria and questions that should be asked when selecting a Z39.50 client. Areas for consideration include whether to buy or build a Z39.50 client, the end-user's requirements, connecting to a remote server, searching, managing the search response,…

Describes the alternatives used by the Penn State University libraries to respond to the challenge of providing access to the many different kinds of databases. Approaches include development of a generic interface based on the Z39.50 protocol; staff support, including instruction, reliable documentation, and staff involvement; and better user…