What should be the temperature in the library to be maintained? we are from Baguio City and we are using a dehumidifier..
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%.
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%.
The library of Congress has information about preserving books on their pages,
See also AIC pages
You might try asking for additional information in some the addresses above and maby also in our National library, http://www.nationallibrary.fi/index.html and our National repository library http://www.varastokirjasto.fi/lang_en/