Discusses the reasons and methods for retrospective conversion of library catalog data into machine-readable form. The need for standards is emphasized and suggestions are given for documenting local standards. Ideas are included for completing the conversion of a project done by a vendor, where some parts may have been overlooked. (Author/EM)

Discusses the flaws in online catalogs that lead to ineffective library use, including confusing subject access, outmoded classification systems, lack of authority control, split files and closed catalogs, lack of both menu and command modes, and lack of circulation information. Recommendations are made for improving library catalogs. (EM)