www.census.gov - Census Data
http://ilga.gov/senate/committees/Redistricting%20Hearings.asp?CommitteeID=768&Description=Redistricting&GA=96 - Record of previous redistricting proceedings including testimony.
National Conference of State Legislators
http://www.ncsl.org/Default.aspx?TabID=746&tabs=1116,115,786#1116 - A national source for redistricting related subject matter.
Impact of Redistricting in your Community 2010: A Guide to Redistricting
http://naacpldf.org/publication/impact-redistricting-your-community-2010-guide-redistricting - This handbook, produced by three of the nation’s leading civil rights organizations, discusses the importance of getting involved with the redistricting process and provides resources and contact information.
A Citizen’s Guide to Redistricting
Brennan Center - Citizen's Guide to Redistricting - The