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.

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.
Meta Description: [ Provenance Research The Provenance Research Project on the Nazi/World War II era See the entire list. Research on provenance (the history of an artwork's ownership) is an ongoing function of curatorial research at the Cleveland Museum of Art. In short, ]

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.
Meta Description: [ The Getty Museum's research on the provenance (history of ownership) of works or art in its collection during the period 1933 to 1945. ]

Hood Museum of Art, Dartmouth College - Searchable online database of provenance research.

404 Los Angeles County Museum of Art - Results of an interim report on LACMA's research on the provenance of paintings in its departments of Modern and Contemporary Art and European Paintings and Sculpture.

Museum of Fine Arts, Boston - Results of research undertaken by the MFA on the history of ownership of its collection of European paintings.

Museum of Modern Art - Lists fourteen works from the MoMA collection with gaps in their histories between 1933 and 1945.
Meta Description: [ Current information on works in the MoMA permanent collection created before 1946 and acquired after 1932, that were or could have been in Continental Europe during the Nazi era. ]

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.

500 National Gallery of Canada Provenance Research - Lists European paintings with incomplete or not fully documented provenances for the period 1933-1945.
Meta Description: [ CyberMuse links you to the National Gallery of Canada's permanent collection through the Internet offering a complementary experience, a new dimension in interpreting, understanding and enjoying Canada's visual arts heritage. This new virtual museum experience presents information and ideas that ... ]

National Museums in the United Kingdom - Progress report on provenance research for the period 1933-1945.

Philadelphia Museum of Art - Images and provenance information for art objects, especially European paintings, whose whereabouts during the war years may be in question.
Meta Description: [ As one of the largest art museums in the United States, the Philadelphia Museum of Art invites visitors from around the world to explore its renowned art collections, acclaimed special exhibitions, and enriching programs, both in-person and online. ]

Seattle Art Museum - Lists works of art in the European collection that have gaps in their provenance during the Nazi era (1933 - 1945).
Meta Description: [ The Seattle Art Museum has a relatively small collection of European art, and research into the histories of these works is an ongoing process. This list includes works of art that have gaps in their provenance, have unclear dates of transfer between owners, or were in Europe during the Nazi era ... ]

The American Association of Museums - Contains guidelines for American museums concerning the unlawful appropriation of objects during the Nazi era.
Meta Description: [ An introduction to AAM resources, guidelines, and recommended procedures concerning Nazi-Era Provenance, including the Nazi-Era Provenance Internet Portal. ]

The Art Institute of Chicago - Painting and sculpture provenance report.

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.

The Metropolitan Museum of Art - Lists 338 European paintings with incomplete provenance for the World War II era.
Meta Description: [ The Metropolitan Museum of Art's collection contains more than two million works of art ranging from medieval armor and european paintings to the world renowned Costume Institute. ]