http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Illinois apportionment maps and descriptions
Congressional-legislative-judicial apportionment maps & descriptions
130 pages, 5 unnumbered folded leaves of plates : maps (some color) ; 28 cm.
issued by the Illinois State Board of Elections.
Cover title: Congressional-legislative-judicial apportionment maps & descriptions.
"Congressional districts: November 6, 1991, Legislative districts: January 10, 1992."