Research programs of the University of California (UC) Institute of Library Research (ILR) for the period July 1975 to June 1976 included: (1) error analysis of the UC Union Catalog Supplement (UCUCS), (2) error analysis of on-line bibliographic data bases, (3) planning data for UCUCS-2 conversion planning, and (4) document delivery support for the UC selective dissemination of information system. Aid to instructional programs included participation of ILR staff in classroom instruction, provision of computer service and support to faculty and students, and development and testing of instructional materials. Computer services and information services of various kinds were also provided to the UC community and to other groups. (PF)