Sodomy Laws and Repeals in the U.S. - Report on United States anal sex laws by state, from the ACLU. - http://www.aclu.org/LesbianGayRights/LesbianGayRights.cfm?ID=5028&c=41
Sodomy Laws Around the World - Global list of laws which criminalize consensual and non-commercial sex between adults in private, and strategies to repeal them. - http://www.sodomylaws.org