Random samples of monographic materials from U.S. and Canadian public libraries were matched with collections from similar libraries of different sizes. Strong positive correlation appears between percentage find rate and target library size, with regression analysis suggesting linearity over a wide range of collection sizes. (Author)

Argues that the analytical comparison of library collections to the people using those collections could provide insights related to library acquisition priorities and practices, and describes and illustrates a method for analyzing this relationship. A sidebar by Myra White describes an application of the results of such a study at California…