(Q47460802)
Statements
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1 reference
he men working on his behalf were: ...; Dr. Hentzen, curator at the Gemäldegalerie, the National Museums; Dr. Kiels von Holst, a scientific researcher at the Staatlichen Museen, Berlin; Dr. Hans Bammann from Dusseldorf who worked as a purchasing agent in France for Museums in Dusseldorf , Cologne, Aachen and Bonn; (English)
1 reference