Regional online users groups and a state library association offer professional librarians and librarian computer hobbiests opportunities to experiment with microcomputers. (RAA)

Described is the file organization and design of an on-line catalog suitable for automation of one million books. A method of virtual hash addressing allows rapid search of the indexes to the catalog file. Storage of textual material in a compressed form allows considerable reduction in storage costs. (14 references) (Author/SJ)

Describes the replication agreements between WLN and replicating institutions such as the National Library of Australia and the University of Illinois whereby use of WLN software is permitted on the basis of reciprocity of bibliographic information by the contracting parties. (RAA)

Describes an automated system for cataloging nonprint media received by the Copyright Office for registration. Problems in disseminating this unique data base through national networks are considered. The system features automatic inversion of personal names and the use of one entry as a model for the next. (Author/VT)

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)