This paper discusses vehicles for education and training, tools and techniques for promotion, and details the information requirements of the processors, service managers, searchers, and end users of on-line data bases. (Author/KP)

A cost analysis of 411 on-line bibliographic search requests was conducted. The average cost was $28.41 exclusive of telephone line charges. (Author)

Described is the file organization and design of an on-line catalog suitable for automation of one million books. A method of virtual hash addressing allows rapid search of the indexes to the catalog file. Storage of textual material in a compressed form allows considerable reduction in storage costs. (14 references) (Author/SJ)

Gives an overview of MEDLARS II as an example of a major bibliographic processing system that supports on-line access to a number of very large files, has efficient throughput, and is operated on a single large-scale computer. (Author/PF)

Describes the replication agreements between WLN and replicating institutions such as the National Library of Australia and the University of Illinois whereby use of WLN software is permitted on the basis of reciprocity of bibliographic information by the contracting parties. (RAA)

Describes an automated system for cataloging nonprint media received by the Copyright Office for registration. Problems in disseminating this unique data base through national networks are considered. The system features automatic inversion of personal names and the use of one entry as a model for the next. (Author/VT)

Speculates on unanticipated effects brought about by the application of online sytems and databases to library services. Concern is voiced about the development of a technological library elite, the growth of research dependency, the limiting of the availability of books and journals, and the narrowing of serendipity in research. (RAA)

Examines design functions of present file organizations in the context of available data storage devices and identifies current developmental trends. (Author/RAA)

Provides an overview of videotex and teletext systems under development or being marketed in the United States and Europe. Current trends indicate a diminishing participation by librarians and information scientists in information display technology. Seven references are listed. (RAA)

Explains how a multipurpose bibliographic/MARC data base of machine-readable data files (MRDF), created according to the MARC II record format, was conceived, and how much an information resource would benefit the general user and professional librarian. (Author/CWM)

A pilot study at the University of Arizona library reports improvement in verification of questionable citations by using RLIN and OCLC as reference tools in place of print sources. A further full-scale study is planned. (RAA)

This comparison of three major bibliographic utilities, prepared at the University of Oregon, provides evaluative information to members of the university community contemplating the use of their services. Included are basic characteristics, resource sharing, technical processing, and public services. (RAA)

Reviews problem areas identified in the processing of OCLC MARC Subscription Service tapes, commonly known as the archive tapes, and explains the Yale University methods for processing these tapes through their editing project and notation system. (CWM)

Presents MARC database statistics for use in planning and processing files, selection of subsets, and estimating file growth rates. Statistics are provided on record length, field tag occurrence, data element length per field tag, and distribution of records by Dewey Decimal Division and Library of Congress class code. (Author/RAA)

Reports the results of a study performed to determine preferred and effective usage of search keys utilized by OCLC users. The study used the research library facilities of Ohio State University to examine information retrieval behavior for acquisitions and cataloging information. (RAA)