» Art Gallery of Ontario: Spoliation Research    Lists paintings, sculptures, and drawings in the gallery's European collection with gaps in their provenance between 1933-1945, with a description of the gallery's provenance research efforts.    http://www.ago.net/info/collection/provenance/

» Cleveland Museum of Art    Provenence research project guidelines. Includes a list and photos of paintings that either have gaps in their provenance or that were known to have been confiscated by the Nazis.    http://www.clemusart.com/provintro.htm

» Getty Museum    Provenance of works in the Getty's collections, from the rise to power of the Nazi party to its defeat. Includes links to Holocaust-era art issues.    http://www.getty.edu/art/provenance/

» Hood Museum of Art, Dartmouth College    Searchable online database of provenance research.    http://www.dartmouth.edu/~hood/provenanceresear.html

» Los Angeles County Museum of Art    Report on LACMA's research on the provenance of paintings in its departments of Modern and Contemporary Art and European Paintings and Sculpture.    http://www.lacma.org/art/ProvIntro.aspx

» Museum of Fine Arts, Boston    Results of research undertaken by the MFA on the history of ownership of its collection of European paintings.    http://www.mfa.org/research/

» Museum of Modern Art    Lists fourteen works from the MoMA collection with gaps in their histories between 1933 and 1945.    http://www.moma.org/collection/provenance/

» National Gallery of Art, Washington D.C.    World War II provenance research. Photos and history for eleven paintings in the collection that were looted during the war.    http://www.nga.gov/collection/provfeat.htm

» National Gallery of Canada Provenance Research    Lists European paintings with incomplete or not fully documented provenances for the period 1933-1945.    http://cybermuse.gallery.ca/cybermuse/enthusiast/provenance/index_e.jsp

» National Museums in the United Kingdom    Progress report on provenance research for the period 1933-1945.    http://www.nationalmuseums.org.uk/spoliation/spoliation.html

» Philadelphia Museum of Art    Images and provenance information for art objects, especially European paintings, whose whereabouts during the war years may be in question.    http://www.philamuseum.org/collections/provenance/

» Seattle Art Museum    Lists works of art in the European collection that have gaps in their provenance during the Nazi era (1933 - 1945).    http://www.seattleartmuseum.org/collection/HolocaustProvenance.asp

» The American Association of Museums    Contains guidelines for American museums concerning the unlawful appropriation of objects during the Nazi era.    http://www.aam-us.org/museumresources/prov/index.cfm

» The Art Institute of Chicago    Painting and sculpture provenance report.    http://www.artic.edu/aic/provenance/index.html

» The Detroit Institute of Arts    List of all the paintings that entered the collection from 1932 to the present day, for which there are gaps in the provenance during the period 1932-1946.    http://www.dia.org/the_collection/provenance_information/

» The Metropolitan Museum of Art    Lists 338 European paintings with incomplete provenance for the World War II era.    http://www.metmuseum.org/collections/provenance_a-f.htm