Compares five services that offer mediated access to the Monthly Catalog of United States Government Publications--Auto-Graphics, Brodart, Information Access (two services), and LSSI--on 14 points ranging from basic cost and type of media (microfiche, microfilm, laser optical disk, optical disk) to special features or enhancements. (CLB)

This resource guide provides information about the range of activities that can be implemented to maintain and improve the condition of research collections to ensure that they remain usable as long as possible. After an introduction that describes the major activities and a review of an investigation process that gives an overview of good…