Abstract
Analysis and statistics are presented for one year of the California Institute of Technology Library's use of OCLC as a borrower, as well as a lender. The knowledge of location of items in a wide range of libraries has made ILL request communications for books easier, quicker, and more precise. Requests by Caltech for journal articles, reports, etc. are not handled via OCLC. Requests received from other libraries show some lack of discrimination by specifying items not shown as at Caltech or by asking recently published books. However, the volume of such requests is small.