Papers on book and document conservation and restoration, which were presented at the 1983 International Federation of Library Associations (IFLA) conference, include: (1) "The Problems of Conservation of Valuable Library Possessions," in which Karl Jackel (West Germany) discusses problems in obtaining restoration materials, storage facilities, craft techniques, and guidelines for preservation and restoration of various types of library materials; (2) "Mass Deacidification of Paper," in which Peter G. Sparks (United States) describes the causes of and known solutions for brittle paper, including the manufacture of alkaline paper and the mass deacidification process as used in the Library of Congress and other United States archives/libraries; (3) "On the Possibilities for Mechanisation in the Restoring Profession," a description by Wolfgang Wachter (East Germany) of the development of mechanized work processes in the restoration workshop of the German Library in Leipzig, including wet treatment of paper and stabilization of wood-pulp paper by the splitting method; (4) "The Treatment of Paper for the Conservation of Rare and Precious Books," in which Anthony G. Cains (Ireland) describes the cleaning, buffering, and strengthening of paper by immersing it in or floating it on a processing solution as well as brush application of methyl magnesium carbonate, use of a spray gun, fixing, and book repair. (ESR)