Legislation by statute or state constitutional amendment prohibiting the application in state courts of an ill defined "Shariah Law" and/or "international law" has passed or is in the process in over twenty states.'
Michael, Robert E.
"The Anti-Shari'A Movement And Oklahoma's Save Our State Amendment-Unconstitutional Discrimination Or Homeland Security?,"
ILSA Journal of International & Comparative Law: Vol. 18
, Article 3.
Available at: http://nsuworks.nova.edu/ilsajournal/vol18/iss2/3