Discusses reasons for the development of an online catalog using computer output microfiche (COM) supplements to the card catalog in a university library, and outlines some of the principles used in designing the online system. Three references are cited. (CHC)

Describes the online catalog in a university library, including the database, the database index, user instruction, the command language and search capabilities, functions of various commands, statistics generated to monitor system use, and hardware for both public access and staff use. (CHC)

Discussion of the cost effectiveness of searching online versus searching on CD-ROM highlights an example that compares costs for searching the ERIC database. Fixed costs and variable costs are described, labor costs are examined, implications for management are considered, and the effect of the number of databases and workstations is discussed.…