The intent of this paper is to explore the potential of utilizing interlibrary loan (ILL) data relating to lending denials to improve ILL services while highlighting institutional policies that have a negative impact on lending fulfillment rates. Reasons for denial as well as the types of requests being denied are reviewed. In addition, the author…

Describes the Marquette University Interlibrary Loan Log, which is an online log of borrowing and lending requests. Applications of the interlibrary loan data for statistical reporting, management decision making, collection development, online enhancement, and copyright monitoring are discussed. (3 references) (CLB)