Provenance research is done to establish as fully as possible the origins of art objects in the period 1933-1945.

Looting of art objects by the Nazi regime

The Nazi regime looted art objects on a large scale during the Second World War, mostly from Jewish owners. Thousands of other art objects were sold under duress or for too little. Jews were already being persecuted in Germany from as early as 1933 and in Austria from 1938. Works of art with such a history may have ended up in Dutch museums or in the NK Collection (Netherlands Art Property Collection). Such objects may also have been acquired by Dutch museums by various convoluted routes after the war. Doing provenance research on objects in its own collection, or for possible new acquisitions, is very important for this reason, so that the restoration of rights can still take place.

Results of (previous) investigations

Cultural Heritage Agency of the Netherlands

The Cultural Heritage Agency of the Netherlands (RCE) is resuming its structural research into the provenance of objects in the Netherlands Art Property Collection (NK Collection). In doing so, the Agency is continuing the work previously conducted by the former Origins Unknown Agency. The research has now been extended to include a new research period (1933-1940).

All the results can be found at wo2.collectienederland.nl. There you will find information about the NK objects, their provenance and restitution status. The information will be further updated and expanded upon over the coming years.

Origins Unknown Agency

The 1990s saw renewed interest in post-war legal reparations. Between 1998 and 2004 the Origins Unknown Agency (Bureau Herkomst Gezocht, BHG) started investigating the provenance of objects in the NK Collection. The findings from that study have been published on: wo2.collectienederland.nl. That website also lists works of art that have been reported as missing but have never been found again by the Netherlands Art Property Foundation (Stichting Nederlands Kunstbezit, SNK).

Museum Provenance Investigation

Not all works that were looted before or during the Second World War in the Netherlands are part of the NK collection. This applies, for example, to works that were purchased many years after the war.

Led by the Museum Association, Dutch museums have carried out research into the provenance of art works in their collections; Museum Acquisitions 1940-1948 (Dutch website) en Museum Acquisitions since 1933 (English version available).

During this study, in which 163 museums in total took part, an inventory was taken of 173 objects where it was suspected that they had been looted, confiscated or forcibly sold between 1933 and 1945. The project formally ended on 31 December 2018. The results were handed over to the Cultural Heritage Agency in 2023. 

A short film illustrates how the research was carried out in practice, using a painting from the Paleis Het Loo collection.

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