http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Reprint of the 1919 edition published by University of Illinois, Urbana, which was issued as volume 5, number 3 of University of Illinois studies in language and literature.
Illinois studies in language and literature ; v. 5, no. 3