Describes steps in survey project that supplied information for contemplated merger of two libraries by estimating number of volumes and titles and duplication between John Crerar Library collections and University of Chicago Library science collections. Survey's findings for volume duplication are analyzed by subject groupings and by books and…

Two articles describe National Shelflist Count project organized 13 years ago under auspices of American Library Association's Resources and Technical Services Division to collect and publish comparative data about strengths and growth of major North American research collections. History, limitations, usefulness, and recommendations of 1983 task…