A model based on storage and retrieval costs that determines efficient allocation of materials to different storage regimes in academic libraries is developed. An economically rational basis for determining role of several alternative storage methods which distinguish among materials by expected level of use is offered. Nineteen references are…

Describes the historical situations and legislation that led to the formation of regional branches of the national archives, as well as the research resources available at the field branches and their value to researchers. An appendix provides addresses and phone numbers of all field branches. (Author/CLB)