Suggests that catalogs of the future, as facilitated by computer technology, should take on multiple formats. Three levels of varying form and size are envisioned for the needs and uses of the librarian, the general user, and the individual user. (Author/RAA)

Describes an online design featuring circulation control, catalog access, and serial holdings that uses an incremental approach to system development. Utilizing a dedicated computer, this second of three releases pays particular attention to present and predicted computing capabilities as well as trends in library automation. (Author/RAA)