http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Documents relating to the manufacture of iron in Pennsylvania
Published on behalf of the Convention of Iron Masters, which met in Philadelphia, on the twentieth of December, 1849
Ironmaster's Convention (1849 : Philadelphia)
1 page ., 115 pages including tables : 13 folded tables, 2 diagram ; 22 cm.
Microfilm. Ann Arbor, Mich., University Microfilms [n.d.] (American culture series, Reel 325.6)