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| Colegrove v. Green | Jun. 10, 1946 | Case Summary |
| Congressional Districts Map, Chicago Area, 2002 | 2002 | Map |
| Congressional Districts Map, Chicago Area, 2012 | 2002 | Map |
| Congressional Districts Map, Cook County, 1965 | Nov. 24, 1965 | Map |
| Congressional Districts Map, Cook County, 1971 | Sep. 20, 1971 | Map |
| Congressional Districts Map, Cook County, 1981 | Nov. 23, 1981 | Map |
| Congressional Districts Map, Cook Du Page County, 1991 | Nov. 6, 1991 | Map |
| Congressional Districts Map, Illinois, 1965 | Nov. 24, 1965 | Map |
| Congressional Districts Map, Illinois, 1971 | Sep. 20, 1971 | Map |
| Congressional Districts Map, Illinois, 1981 | Nov. 23, 1981 | Map |
| Congressional Districts Map, Illinois, 1991 | Nov. 6, 1991 | Map |
| Congressional Districts Map, Illinois, 2002 | May 31, 2001 | Map |
| Congressional Districts Map, Illinois, 2012 | May 31, 2001 | Map |
| Illinois Redistricting for the 1980s | Nov. 23, 1981 | Encyclopedia Entry |
| Illinois Redistricting for the 1990s | Nov. 6, 1991 | Encyclopedia Entry |
| Illinois Redistricting for the 2000s | May 31, 2001 | Encyclopedia Entry |
| Redistricting in Illinois Following the 2000 Census (Map) | | Facts & Figures |