Considers the advantages and disadvantages of six mass deacidification processes that libraries can use to salvage printed materials: the Wei T'o process, the Diethyl Zinc (DEZ) process, the FMC (Lithco) process, the Book Preservation Associates (BPA) process, the "Bookkeeper" process, and the "Lyophilization" process. The…

Discussion of paper manufacturing processes and their effects on library materials focuses on the promotion of alkaline "permanent" paper, with less acid, by Canadian library preservation specialists. Standards for paper acidity are explained; advantages of alkaline paper are described, including decreased manufacturing costs; and…

Discusses preservation microfilming of pre-1900 Canadiana (works published in Canada, by Canadians, or about Canada) by the Canadian Institute for Historical Microreproductions, noting William J. Barrow's studies on paper deterioration, the formation of the institute, the working methodology, and future projects. Thirty-one references are listed.…

Outlines the problems of the National Museums of Canada libraries that led to the decision to implement a preservation program and describes the program and its impact. Areas discussed include policy formation, disaster contingency planning, storage monitoring, collection cleaning, binding and restoration, rare book identification and…