Dutch paper mill owner and collector, Smit van Gelder is known to have sold some of his pictures to the Dienststelle Mühlmann in the Netherlands and to agents of Goering. He appears to have obtained a visa to Belgium in exchange.
Dumont-Wilden, L. La Collection Michel van Gelder. Brussels, 1911
Rousseau, Theodore, Jr. Detailed Interrogation Report No. 2 Subject : The Goering Collection. 15 September 1945:64-65 [National Archives and Record Administration; copy National Gallery of Art Archives, S. Lane Faison papers]