The article discusses some of the problems of introducing machine-readable data bases into the library service environment. Authors describe diverse approaches used in making tapes of the 1970 Census of Population and Housing available to users through the library. (JB)

Proposes a coordinated scholarly information system that would comprise a variety of independent suppliers of information. Highlights include key aspects of the system (quality control, terminals, communications, user interface, long-term planning), and various information sources (libraries, shared cataloging, information retrieval services,…