Discusses a problem commonly encountered in library automation projects: the conversion from existing card catalog formats to machine readable catalog (MARC) records. Catalog formats, the advantages of full versus limited records, changing computer technology, the advantages of full MARC records, and record standardization are among the topics…

Report on developments in the retrospective conversion of manual library files to machine-readable form discusses planning and decision making; accommodating full records; conforming to standards; creating bibliographic records; sources of retrospective conversion support (bibliographic utilities, stand-alone systems); use of microcomputers;…