National Museum, NM 1864. Attribution to (CC BY-SA) https://creativecommons.org/licenses/by-sa/4.0/ Digitally Enhanced
National Museum, M 46826-148. Attribution to (CC BY-SA) https://creativecommons.org/licenses/by-sa/4.0/ Digitally Enhanced
Bauhaus University Weimar, Special Issue on the History of The Illstrated Book (1913), Public Domain.
National Museum of Denmark, Digitally Enhanced
Attribution to Creative Commons, https://creativecommons.org/licenses/by-sa/4.0/
Bavarian State Painting Collections, Attribution to Creative Commons https://creativecommons.org/licenses/by-sa/4.0/ Digitally Enhanced
BALaT. Licensed under CC BY 4.0 KIK-IRPA, Brussels (Belgium), cliché KM003896] https://creativecommons.org/licenses/by/4.0/ Digitally Enhanced
National Cultural Heritage Agency, Document Number 541030, Photo by Serge Technau, Digitally Enhanced, http://creativecommons.org/licenses/by-sa/3.0/
BALaT. Licensed under CC BY 4.0 KIK-IRPA, Brussels (Belgium), cliché X125579] https://creativecommons.org/licenses/by/4.0/ Digitally Enhanced
National Gallery of Art Archival Resources via Kress Collection
Public Domain
Digital Museum, 1880. NM1344. Attribution-ShareAlike (CC BY-SA) https://creativecommons.org/licenses/by-sa/4.0/ Digitally Enhanced.
Art Collection (1907), B1703. National Cultural Heritage Agency. Public Domain
1836, Wien Museum Inv.-Nr. 140535, Attribution to Creative Commons, CC BY 4.0, (https://sammlung.wienmuseum.at/en/object/42531/) Digitally Enhanced.
Master of Color 1914
Digital Collections of the Bauhaus University Weimar
Public Domain
National Museum, 1885. Attributions to Creative Commons https://creativecommons.org/licenses/by-sa/4.0/ Digitally Enhanced.
Finnish National Gallery, Sketch for the painting Mother and Child (Pietà) , circa 1913 - 1915. Public Domain
The National Heritage Institute, Attribution to Creative Commons https://creativecommons.org/licenses/by-sa/4.0/ Digitally Enhanced.
textsInternational studio, From 1897 to 1921 forms the American edition of the London studio, v. 1 of the International studio corresponding to v. 10 of the London studio. Public Domain.
The National Heritage Institute. Attributions to Creative Commons https://creativecommons.org/licenses/by-sa/4.0/ Digitally Enhanced.
The art of our time vol.1 (1890). \\\"A Chronicle of Modern Art Life\\\" (varies). Public Domain.
1940-1945, The National Art Museum of Romania, Attributions to Creative Commons https://creativecommons.org/licenses/by-sa/4.0/ Digitally Enhanced
Gallica. The Golden Book of the German people at the turn of the century, 1899. Public Domain