The articles in these four issues include discussions of: the Research Libraries Advisory Committee to OCLC; Title II-C grants for bibliographic access/control research projects; cooperative cataloging costs via OCLC; a research project on online public access; an OCLC examination of the UK-MARC format; use of the Comprehensive Index (CINDEX) and the Computer-Assisted Computer Typesetting User System (CACTUS) in scholarly editing at the University of South Carolina; the impact of OCLC on interlibrary loans at MIT; University Microfilms International and the bibliographic control of microform products; thesis and dissertation processing at OCLC; and a Festschriften project at the University of Wisconsin at Madison. Issue number three also includes a chart illustrating "Resource Sharing Among Research Libraries Borrowing Via OCLC's Online Interlibrary Loan." (JL)