Richard Zinser and Knoedler

 Richard Zinser in Getty Provenance Index graph data visualisation of Knoedler transactions: Millet, Cranach, Cézanne, Renoir, Bonnard, Romney

Richard Zinser in Knoedler dataviz: network of stock book entries, buyers, sellers, dates, artists, titles.

Loebl, Kleinberger and Sperling in NEPIP provenances in American Museums

Harry Sperling, the grandson of art dealer Franz Kleinberger, became head of the firm F. Kleinberger Galleries. His cousin, Allan Loebl, an Art Looting Investigation Unit Red Flag Name, was in charge of the Paris office during WWII.

Below are the provenances of some of the artworks that transited via Kleinberger on their way to US museums.