Describes a two-part book circulation use study conducted to find a simple inexpensive and effective method of weeding a public library branch collection, to determine whether weeding increases circulation, and to compare results with Slote's results. Seven tables, one appendix, and 32 references are provided. (RBF)

Describes a study partially replicating the 1978 University of Pittsburgh library materials study. Findings presented include the five-year circulation patterns of DePauw University books sampled compared with the University of Pittsburgh's patterns, and circulation of books given to and purchased by DePauw University. Provided are four tables and…

Evaluates the validity of using circulation data as the index to the total utilization of a library collection and tests the hypothesis that the proposed mixture of Poisson distributions can describe and predict various use distribution. Seven statistical analysis listings, six algorithms, 20 tables, and 43 references are provided. (Author/RBF)