http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Diplomatic instructions of the Department of State, 1801-1906
Microfilm of documents in the National Archives, General records of the Department of State, Record group 59.
Communications from May 29, 1833, to Aug. 9, 1906.
National Archives microfilm publications ; microcopy M77, reel 111-122