Reports the results of a study of cataloging records input into the Ohio College Library Center (OCLC) data base by participating libraries (non-MARC records). The records were analyzed to determine the various fields where most errors occur, as well as the types of cataloging errors. (Author/VT)

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)

Describes a systematic approach to the design of fixed-length, derived, truncated search keys for corporate author records; and a statistical method for predicting the performance of search keys for files of arbitrary size. (VT)

Describes a particular approach to a library problem: the utilization of computer simulation to provide data on how best to serve the citizens of the state of Washington through delivery of library materials by mail, with patrons ordering from a printed catalog of materials. (Author)

Reviews pilot project at the University of Southern California to convert the traditional card catalog to a COM catalog. This involved identification of essential and nonessential catalog data elements and assessment of users' reaction toward the sudden change in form and content of the catalog. (CWM)