1.
Max Beckmann und der Widerstand in den Niederlanden. Überlegungen zu Schauspieler (1941/42), Karneval (1942/43), Blindekuh (1944/45) und Argonauten (1950)
2.
Jeffrey F. Hamburger, The Rothschild canticles. Art and mysticism in Flanders and the Rhineland circa 1300, London: Yale University Press, New Haven 1990. - [Rezension]
The influence of German and Flemish prints on the works of Pieter Bruegel
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