Exodus 20 at Textweek http://www.textweek.com/pentateuch/ex20b.htm
John van Seters, "Comparison of Babylonian Codes with the Covenant Code and its Implications for the Study of Hebrew Law" http://www.law2.byu.edu/Biblical_Law/papers/vansetterssbl2001.pdf
Gordon Wenham, "Law and the Legal System in the Old Testament" http://www.the-highway.com/law2a_Wenham.html
The Code of Hammurabi http://www.yale.edu/lawweb/avalon/medieval/hammenu.htm [or try here]
David F. Wells, "God Spoke These Words" http://www.religion-online.org/cgi-bin/relsearchd.dll/showarticle?item_id=2053
John Shelby Spong, The Living Commandments http://www.religion-online.org/cgi-bin/relsearchd.dll/showbook?item_id=540
Did Moses Steal The Ten Commandments? http://www.wcg.org/lit/bible/law/steal10.htm
Bertrand Russell, 'A Liberal Decalogue' http://www.geocities.com/Athens/Oracle/2528/br_photo.htm
Cradles of Civilization in the Near East http://college.hmco.com/history/west/mosaic/chapter1/unit1_exercises.html
Larue, "What Hasn't Been Said About the Ten Commandments Controversy" http://www.findarticles.com/cf_0/m1374/n1_v58/20166038/print.jhtml
Vaughn, "Protect My Children from the Ten Commandments" http://www.secularhumanism.org/library/fi/vaughn_19_4.html
Carrier, Richard, "The Real Ten Commandments" http://www.infidels.org/library/modern/features/2000/carrier2.html
Peter Hanson, "From Theocracy to Pluralism" http://www.yale.edu/ynhti/curriculum/units/1980/cthistory/80.ch.01.x.html
John W. Welch, "Biblical Law in America" http://www.law2.byu.edu/lawreview/archives/2002/3/WEL1.pdf
Marci Hamilton, "The Ten Commandments and Religious Freedom" http://writ.news.findlaw.com/hamilton/20030911.html
United States Constitution: Bill of Rights http://www.law.cornell.edu/constitution/constitution.billofrights.html
First Amendment Law Review http://falr.unc.edu/indexmain.html
Religious Freedom Organizations http://religiousfreedom.lib.virginia.edu/relfreeorg/
People for the American Way: Religious Freedom http://www.pfaw.org/pfaw/general/default.aspx?oid=111
American Civil Liberties Union: Religious Freedom http://www.aclu.org/religion/index.html
http://pewforum.org/events/index.php?EventID=69
http://www.beliefnet.com/frameset.asp?boardID=62845&pageloc=/story/131/story_13136_1.html
http://www.churchstate.org/elert021120.html
http://www.infidels.org/wire/states/IN.shtml
http://www.christianitytoday.com/ct/2001/015/15.22.html
http://www.freedomforum.org/templates/document.asp?documentID=17155
http://www.townhall.com/columnists/phyllisschlafly/ps20021217.shtml
http://www.townhall.com/columnists/patbuchanan/pb20030831.shtml
http://www.atheists.org/flash.line/tenco19.htm
http://www.waynet.org/waynet/spotlight/2002/020225-commandments.htm
http://idsnews.com/news/2000.08.03/region/2000.08.03.ten.html
http://pewforum.org/news/display.php?NewsID=1755
http://query.nytimes.com/gst/abstract.html?res=FB0A13FA35540C7A8DDDA80994DA404482
http://slate.msn.com/id/2087621/
http://www.sunnetworks.net/~ggarman/10v2.html
http://www.restorethecommandments.com/RTC/
http://www.wnd.com/news/article.asp?ARTICLE_ID=34362
And for a humorous take on the subject:
http://www.spin.com/features/everybodystalkingabout/2006/06/060619_colbert/