The results of a study carried out under the auspices of the Council on Library Resources are described. (Author)

Discusses problems inherent in planning for a transition from traditional card catalogs to other catalog forms. Some attention is given to the implications of the second edition of the Anglo-American Cataloguing Rules (AACR II), the lack of an automated authority control system, and difficulties in obtaining machine-readable retrospective files.…

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)

This investigation shows that search keys derived from personal author names possess a sufficient degree of distinctness to be employed in an efficient computerized interactive index to a file of MARC II catalog records having 167,745 personal author entries. (8 references) (Author)

An experiment in manipulating machine-readable library records for use in subject searching indicated that such programs would be useful to extend service outside a single library location. (Author/PF)