http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Some issues available on 35 mm. microfilm.
Abstract bulletin of the Institute of Paper Chemistry 0020-3033
Has supplements: OPD chemical buyers directory, <1972/1973>-1996; Chemical business, Oct. 1979-Dec. 12, 1983.