| 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. |
| 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. |
| Hood Museum of Art, Dartmouth College: Searchable online database of provenance research. |
| 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. |
| 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. |
| 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. |
| National Gallery of Canada Provenance Research: Lists European paintings with incomplete or not fully documented provenances for the period 1933-1945. |
| 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. |
| Seattle Art Museum: Lists works of art in the European collection that have gaps in their provenance during the Nazi era (1933 - 1945). |
| The American Association of Museums: Contains guidelines for American museums concerning the unlawful appropriation of objects during the Nazi era. |
| 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. |
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