The first of a two-part series covers research published since 1970 that is directly relevant to interlibrary loan in the United States, with emphasis on studies of total volume, growth rate, nature of exchange relationships, characteristics of requests and types of material requested, users and uses, and financing. (47 references) (EJS)

This discussion of the measurement of performance criteria and desired or acceptable level of achievement focuses on the performance criteria used for the evaluation of interlibrary services (success rate, turnaround time, cost, and impact of service). Document delivery, communication, and interlibrary loan research are covered. Fifty references…