http://marriagelawfoundation.org/
The Marriage Law Foundation is a non-profit organization which provides legal resources to defend and protect marriage between a husband and wife. It is the only pro-family group focused entirely on legal issues.
Free downloads include: issues of the foundation's monthly publication, Marriage Law Digest; the texts of marriage laws and constitutional amendments from various states; commentaries on recent controversial topics; and, copies of articles published by the foundation's leading scholars, William Duncan and Monte Stewart.