The "Voting Rights" section (pages 321-336) provides summaries of the following cases:
1. Smith v. Allwright (1944)
2. Baker v. Carr (1962)
3. Oregon v. Mitchell (1970)
4. Shaw v. Reno (1993)
5. Bush v. Gore (2000)
This book includes every Supreme Court case dealing with elections and political representation from 1787 to 2001. Every case is included either as a full (edited) opinion, extensive excerpts of the opinion, or a detailed description of the case. (from Google Books)
DOJ website has lists and summary of cases under the Voting Rights Act, the Help America Vote Act, the Uniformed and Overseas Citizens Absentee Voting Act, and the National Voter Registration Act.