BALaT, Licensed under CC BY 4.0 KIK-IRPA, Brussels (Belgium), cliché KM012127] https://balat.kikirpa.be/copyright/copyright_en-GB.php, https://creativecommons.org/licenses/by/4.0/ Digitally Enhanced
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BALaT, Licensed under CC BY 4.0 KIK-IRPA, Brussels (Belgium), cliché KN010717] https://balat.kikirpa.be/copyright/copyright_en-GB.php, https://creativecommons.org/licenses/by/4.0/ Digitally Enhanced
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National Cultural Heritage Agency of Netherlands / 332536, Digitally Enhanced, http://creativecommons.org/licenses/by-sa/3.0/
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Sörmlands Museum, Digitally Enhanced, Attribution to Creative Commons https://creativecommons.org/licenses/by/4.0/
Public Domain
The Holy Sacrifice of the Mass: The Perpetual Sacrifice of the Catholic Church by Josef Merk
National Museum in Denmark, Digitally Enhanced, Attribution to Creative Commons https://creativecommons.org/licenses/by/4.0/
Public Domain