These two reports published by the Commission on Preservation and Access (CPA) include a comparison of digital and microfilm imagery, as well as discussions of chemical deacidification; ASCII (nonimage) files; and storage, conversion, and transmission considerations. A structured glossary of terms relating to media conversion and digital computer…

Describes a comparative survey of Ulrich's International Periodicals Directory and the Guide to Microforms in Print which indicated that the information on microform availability given by Ulrich's is not accurate. The results of the comparison are summarized in a table. (JL)

Compares benefits and costs for three methods of resolving library storage problems: weeding, high-density "warehouse" storage, and conversion to microform. (SW)

Compares two approaches to document delivery and storage--microform and CD-ROM--in terms of storage capacity, accessibility, production, and cost considerations. Strengths and weaknesses of each medium are noted. It is concluded that libraries should select, integrate, and explore the different features of both technologies. (12 references) (MES)

The rapid growth and distribution of scholarly research in the middle and late twentieth century, the limited supply of old books and other paper-based materials, and the deterioration of items printed on acidic paper since the mid-1800s have meant that many libraries lack suitable copies of printed sources that their users would like to read. For…

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)

Describes government information available in machine-readable data files--primarily on computer tapes--in relation to other formats and examines requirements for their acquisition, preservation, and utilization in retrieval and reference services. Skill and knowledge adjustments on the part of librarians are also discussed, and a system in use at…