25,050 high resolution images
1,110 pdf-documents
9,400 text pages in German and English
1,340 archival documents
4,365 bibliographical references
1,660 infrared reflectograms
800 x-radiographs
and many more
An initiative by the Kunstpalast, Düsseldorf and Cologne University of Applied Sciences in cooperation with and more than 360 museums, research institutions, church communities and private collections in 35 countries.
Funded by: