Presents a model of the relation between the circulation at a large library, the collection at that library, and the size of the user population. Analysis of data at United States academic research libraries reveals a square-root law describing this relation. Explores theoretical foundations and speculates on bibliometric implications. (Author/AEF)

This packet is designed to guide users through the steps that ultimately lead to the assignment of collection responsibilities for individual member libraries of the North Bay Cooperative Library System, Santa Rosa, California. An initial profile of the member libraries examined the subject distribution of books owned, availability of books owned,…