6. Locate the following cases online. for each case provide the proper name of the case and the year following the citation, state the name of the justice who wrote the opinion. If there are concurrencies dissents, list the name of the justice and the type of opinion he or she wrote.

a. 466 U.S. 109

b. 462 U.S. 696

c. 531 U.S. 32

d. 533 U.S. 27