Columbia-Greene Community College (Hudson, New York) takes a yearly 10% statistical sample of its entire circulating collection, noting the call number, acquisition year, and circulation record of each book, in order to determine the pattern of book use over the preceding 2.5 years, and to facilitate the development of an acquisition pattern that…

In the summer of 1984, seven Library of Congress subclasses in the Columbia-Greene Community College Library were surveyed to determine if past circulation records could reliably predict future circulation. In the summer of 1985, a follow-up study surveyed 10 Library of Congress subclasses to verify the results of the first study. The second…