id author title date pages extension mime words sentence flesch summary cache txt crl-15910 Whittaker, Beth M. Using Circulation Systems for Special Collections: Tracking Usage, Promoting the Collection, and Addressing the Backlogs 2008-01-01 8 .pdf application/pdf 3849 179 42 Special collections materials generally do not circulate outside a carefully con- trolled environment. Circulation data for special collections materials may also lead to collection development decisions, such as acquiring resources in an area previ- ously thought less important to users. cache/crl-15910.pdf txt/crl-15910.txt