Twenty-one libraries in Library Computer System participated in collection overlap study. Findings of random sample representing 1% of each collection indicate that high percentage of titles, 69.4%, occurred only once in network and that percentage of each library's collection unique to that library, ranged from 6.1% to 68.4%. (21 references) (EJS)

Comments on impact of photocopying, networking, and resource sharing on acquisitions programs of research libraries and describes fiscal situation in academic institutions, specifically in Massachusetts Institute of Technology libraries. Electronic publishing, role of research library as subscriber and intermediary, and communication between…