The National Heritage Institute, attributions to Creative Commons (CC BY-SA 4.0) https://creativecommons.org/licenses/by-sa/4.0/ Digitally enhanced.
The Nordic Museum\'s collection at Skansen, Attrbution-ShareAlike (CC BY-SA) https://creativecommons.org/licenses/by-sa/4.0/ Digitally enhanced.
Skansen Museum via DigitaltMuseum, Digitally Enhanced
Attribution to Creative Commons, https://creativecommons.org/licenses/by-sa/4.0/
Berlin State Museum, Digitally Enhanced
Attribution to Creative Commons, https://creativecommons.org/licenses/by-sa/4.0/
Cotroceni National Museum, Digitally Enhanced
Attribution to Creative Commons, https://creativecommons.org/licenses/by-sa/4.0/
Cotroceni National Museum, Digitally Enhanced
Attribution to Creative Commons, https://creativecommons.org/licenses/by-sa/4.0/
National Museum, 1590, Photo by Erik Cornelius, public domain
The Salon of ... : one hundred plates ...1890, public domain.
BALaT, CC BY 4.0 KIK-IRPA, Brussels (Belgium), cliché X043861] https://creativecommons.org/licenses/by/4.0/ Digitally Enhanced, https://balat.kikirpa.be/copyright/copyright_en-GB.php
The Museums of the City of Paris, in 1870 (19th century). Public domain.
Kimnet. Attribution to Creative Common https://creativecommons.org/licenses/by-sa/4.0/ Digitally Enhanced.
Hispanic Digital Library (National Library of Spain). Reminders and devotional prints (graphic materials). Between 1880 and 1965, Public Domain.
Christian Art: Monthly magazine for all areas of Christian art and art history as well as for the entire art world. 1905/1906, urn:nbn:de:bsz:16-diglit-531576, public domain.
The National Heritage Institute, No.FW 26, Digitally enhanced, licensed under (CC BY-SA 4.0) https://creativecommons.org/licenses/by-sa/4.0/
Cultural Heritage Agency of the Netherlands, Document number
541.035, Digitally enhanced, licensed under Creative commons
http://creativecommons.org/licenses/by-sa/3.0/
Heidelberg University Library, Modern Art: illustrated magazine— 27.1912/1913, Issue 7, Public Domain.
BALaT, licensed under CC BY 4.0 KIK-IRPA, Brussels (Belgium), cliché X063081] https://creativecommons.org/licenses/by/4.0/ Digitally enhanced https://balat.kikirpa.be/copyright/copyright_en-GB.php
Hispanic Digital library, Reminders and devotional prints (Graphic material), between 1880 and 1965. Public domain.
National Museum, Transferred 1865 Kongl. Museum, Inventory No.NM 122, public domain.
BALaT, licensed under CC BY 4.0 KIK-IRPA, Brussels (Belgium), cliché X125593] ttps://creativecommons.org/licenses/by/4.0/ Digitally enhanced, https://balat.kikirpa.be/copyright/copyright_en-GB.php
BALaT, licensed under CC BY 4.0 KIK-IRPA, Brussels (Belgium), cliché X124748] ttps://creativecommons.org/licenses/by/4.0/ Digitally enhanced, https://balat.kikirpa.be/copyright/copyright_en-GB.php
Wlem Museum, around 1750–1770, Inv.-Nr. 101621, licensed under (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/, Foto: Birgit und Peter Kainz, Digitally enhanced.