Several U.S. museums have recently returned priceless antiquities to European nations after suspicions were raised about possible looting. Foreign and international law are relevant to these situations and there is a new resource to track down foreign laws in English. The International Foundation for Art Research is providing translations of over 25 jurisdictions. Useful links to relevant U.S. statutes and case law are also available.
Some recent library publications on the topic of cultural property include:
Due Process
Georgetown Law Library Blog