American Alliance of Museums (AAM)

Guidelines on the Acquisition of Antiquities and Archaeological Material

Guidelines Concerning Unlawful Appropriation of Objects during the Nazi Era

Association of Art Museum Directors (AAMD)

Revisions to the 2008 Guidelines on the Acquisition of Archaeological Material and Ancient Art (PDF)

Art Museums and the Identification and Restitution of Works Stolen by the Nazis, 2007 (PDF)

Task Force Report on the Spoliation of Art during the Nazi/World War II Era (PDF)

UNESCO

Convention on the Means of Prohibiting and Preventing the Illicit Import, Export and Transfer of Ownership of Cultural Property 1970