Analysis of information sources in references of the Wikipedia article "Klaus Perls" in English language version.
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has generic name (help)Klaus was named as a third-party defendant in the 1969 World War II looted art case Menzel v. List. When Erna Menzel sued Albert List for ownership of a Chagall painting confiscated from Menzel by the Nazis, List in turn sued Perls, who had sold him the painting in 1955, having purchased it himself from an art dealer in Paris. The court awarded the Chagall painting to Menzel and ordered Perls to pay List the appreciated value of the painting.