NEW YORK (AP).- The Nazis stripped hundreds of thousands of artworks from Jews during World War II in one of the biggest cultural raids in history, often photographing their spoils and meticulously cataloguing them on typewritten index cards. Holocaust survivors and their relatives, as well as art collectors and museums, can go online beginning Monday to search a free historical database of more than 20,000 art objects stolen in Germany-occupied France and Belgium from 1940 to 1944, including paintings by Claude Monet and Marc Chagall. The database is a joint project of the New York-based Conference of Jewish Material Claims Against Germany and the United States Holocaust Memorial Museum in Washington, D.C. The database is unusual because it has been built around Nazi-era records that were digitized and rendered searchable, showing what was seized and from whom, along with data on restitution or repatriation and