This report examines regional and/or state cooperative preservation programs and related activities. The major part of the report is given over to case studies that present a synopsis of the key structural and program elements of cooperative preservation initiatives. These case studies include the: Office of Library and Archival Materials Preservation (Connecticut); Los Angeles Preservation Network (LAPNET); Nebraska Documents Preservation Advisory Council (NDPAC); Preservation of Acetate-Based Audio Visual Materials (New York); Oklahoma Preservation Initiative; and Pittsburgh Regional Library Center (PRLC) Preservation Service. Information is also presented about three newly organized cooperative programs: (1) North Carolina Preservation Consortium (NCPC); (2) Associated Library Emergency Response Team (ALERT); and (3) AMIGOS Preservation Service. Additional information provided includes a description of the National Conference on the Development of Statewide Preservation Programs, the names and addresses of cooperative preservation service providers, examples of models of cooperation, and a list of states involved in preservation activity. Concluding the report is a selective bibliography on cooperative preservation and a series of preservation-related quotations. (MAB)