Focuses on problems in making machine-readable data files (MRDFs) accessible and in using them: quality of data in MRDFs themselves (social scientists' concern) and accessibility--availability of bibliographic control, quality of documentation, level of user skills (librarians' concern). Skills needed by social scientists and librarians are…

OCLC-MARC subscription service tapes can be used as a convenient source of statistical data for collection management. New acquisitions can be analyzed using monthly and annual cumulative tapes to obtain numbers of new titles added by subject, types of material, text languages, and intellectual levels. There are three references. (Author/RAA)