PBS
Wnet: Thirteen: The Supreme Court: Landmark Cases: Dred Scott v. Sandford (1857)
PBS features a summary of the landmark Supreme Court case of Dred Scott v. Sanford which ruled that African Americans are not American citizens, and therefore could not sue in federal court. Decision written by Chief Justice Roger B. Taney.
Wikimedia
Wikipedia: Dred Scott v. Sandford
This site from the Encyclopedia Wikipedia provides information on the Dred Scott case, as it progressed through the Missouri state court, the Federal court system, and the appeal that went to the Supreme Court.