Describes the development of telephone communications links between automated circulation systems in six public library systems in the state of Maryland, and discusses the implications of such links for interlibrary loan programs. (JL)

Discusses implementation of online Library Circulation System (later known as Library Computer System) at University of Illinois which links campus libraries and provides circulation information to numerous public libraries. Conversion of shelflist into machine-readable form in house and by vendor, input problems, proofreading, vendor…

Identifies the several functions which contribute to the total bibliographic record structure of the country, dividing the bibliographic record system by market type--government, nonprofit, and for-profit--and by function--shared cataloging, interlibrary loans, online catalogs, circulation control, serials control, and acquisitions. (Author/JL)

Three articles describe procedures used for retrospective conversion: MITINET/retro system in Wisconsin and efforts to create statewide bibliographic database; retrocon process for Library Computer System circulation/resource-sharing system in Illinois academic libraries; use of REMARC to build online catalog at Johns Hopkins University. Authority…