Papers presented at the 1981 Allerton Park Institute include: (1) "Conservation: What We should Do Until the Conservator and the Twenty-first Century Arrive," by Robert H. Patterson; (2) "Expanding Preservation Resources: The Corps of Practitioners and the Core of Knowledge," by Pamela W. Darling; (3) "National Preservation Planning and Regional Cooperative Conservation Efforts," by Carolyn Clark Morrow; (4) "Preservation of Paper Based Materials: Mass Deacidification Methods and Projects," by Carolyn Harris; (5) "Preservation of Paper Based Materials: Present and Future Research and Developments in the Paper Industry," by Gerald W. Lundeen; (6) "Preservation of Nonpaper Materials: Present and Future Research and Development in the Preservation of Film, Sound Recordings, Tapes, Computer Records, and Other Nonpaper Materials," by Gerald D. Gibson; (7) "Preservation and Conservation Decisions in the Local Library," by William T. Henderson; (8) "Decisions in Conservation and Preservation in the Conservation Laboratory," by Louise Kuflik; (9) "Role of Commerical Services in Conservation and Preservation," by James Orr (representing library binders), William Anthony (representing hand binders), Leedom Kettell (representing library supply houses), and Anita Werling (representing micropublishers); (10) "Kepler and His Custody; Scholarship and Conservation Policy," by D. W. Krummel; and (11) "The Role and Responsibility of The Library in Preservation and Conservation," by E. Dale Cluff. An introduction by the editors summarizes the contents of the papers. Transcripts of discussions at the conference, biographical information on the contributors of papers, and an index to the proceedings are also provided. (ESR)