Master of Color, Digital College of the Bauhaus University of Weimar
Public Domain
National Cultural Heritage Agency of Netherlands, Digitally Enhanced, http://creativecommons.org/licenses/by-sa/3.0/
Mölndals Stadsmuseum, Digitally Enhanced
Attribution to Creative Commons, https://creativecommons.org/licenses/by-sa/4.0/
Sörmland Museum, Digitally Enhanced
Attribution to Creative Commons, https://creativecommons.org/licenses/by-sa/4.0/
Master of Color, Digital College of the Bauhaus University of Weimar
Public Domain
Bavarian State Painting Collection, Digitally Enhanced
Attribution to Creative Commons, https://creativecommons.org/licenses/by-sa/4.0/
National Cultural Heritage Agency, Document Number 319, Photo by G.J. Dukker, Digitally Enhanced, http://creativecommons.org/licenses/by-sa/3.0/
Christian Art; Monthly magazine for all areas of Christian art and art history. 1918, vol.14, Public Domain.
National Digital Archives.pl. Paintings in the church in Lesko, year 1918 - 1939, Public Domain.
NationalÂmuseets samlinger. Painting in altarpiece, Marstal church. Photography by Arnold Mikkelsen. DMR-194754. Attribution to Creative Commons CC-BY-SA https://creativecommons.org/licenses/by-sa/4.0/ Digitally Enhanced.
Digital Museum, School Planet, VM28329. Attribution to Creative Commons https://creativecommons.org/licenses/by/4.0/ Digitally Enhanced.
Digital Museum, School Planet, VM28303. Attribution to Creative Commons https://creativecommons.org/licenses/by/4.0/ Digitally Enhanced.
BALaT, Licensed by CC BY 4.0 KIK-IRPA, Brussels (Belgium), cliché KN007164] https://creativecommons.org/licenses/by/4.0/ Digitally Enhanced.