http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
how it has been produced, and how it may profitably be reduced. Letters to the Hon. B. H. Bristow, secretary of the Treasury
Microfilm. Ann Arbor, Mich., Xerox University Microfilms, 1974. 35 mm. (American Culture Series, reel 589.18)