http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Evidence of Henry C. Carey before the Congressional committee for ascertaining the causes of recent changes in the prices of the precious metals
Microfilm. Ann Arbor, Mich., University Microfilms Int'leaves, 1976, 1 reel. 35 mm. (American Culture Series, reel 638:9).