Explores methods and costs of the retrospective conversion process, i.e., converting card catalog records into machine readable form to create an automated catalog. Data conversion standards, methods, search strategy, databases, verification and editing, costs, and products of conversion are noted. Thirty-two references are cited. (EJS)

Discusses applications of a microcomputer in the Mountain View Elementary School Library in Colorado, noting costs and effectiveness involved in the development and use of a computerized card catalog and librarian aid with tasks such as filing, typing, ordering, and inventory. A bibliography is provided. (EJS)

Discussion of planning, installation, and results of an online catalog at University of Maryland Health Sciences Library highlights Integrated Library System, speed and patron perceptions of online catalog, searching power, ways in which catalog can bypass physical and organizational boundaries, and effect on staff and users of the library. (EJS)