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|What should be the temperature in the library to be maintained? we are from Baguio City and we are using a dehumidifier..||2222||12.7.2010||The site of the National Board of Antiquities gives information for care for old books (in Finnish): the temperature should be 17-18 degrees (Celsius) and humidity 50%. http://www.nba.fi/en/ The site of the american Northeast Document Conservation Center states, that authorities disagree on this matter, but that the most frequent recommendation a stable temperature no higher than 70°F (21 degrees Celsius) and a stable relative humidity between a minimum of 30% and a maximum of 50%. http://www.nedcc.org/resources/leaflets/2The_Environment/01BasicGuideli… The library of Congress has information about preserving books on their pages, http://www.loc.gov/preserv/care/books.html See also AIC pages http://www.conservation-us.org/index.cfm?…|