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Zum franziskanischen Bildprogramm und zur stilistischen Herkunft des Göttinger Barfüßerretabels
ART-Dok (Virtual Library for Art, Heidelberg University), 2006
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Wie finde ich „meinen“ Buchschmuck? Vortrag im Rahmen des Workshops “Call for Collaboration”, Fribourg 24.–25. Juni 2010
ART-Dok (Virtual Library for Art, Heidelberg University), 2010
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Speech for the celebration of the publication of The Proverbial World of Pieter Bruegel at the Embassy of Belgium in Tokyo, March 17,1992
ART-Dok (Virtual Library for Art, Heidelberg University), 2018
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