National Museum of Denmark, Digitally Enhanced
Attribution to Creative Commons, https://creativecommons.org/licenses/by-sa/4.0/
The Holy Sacrifice of the Mass: The Perpetual Sacrifice of the Catholic Church by Josef Merk
BALaT Licensed under CC BY 4.0 KIK-IRPA, Brussels (Belgium), cliché X046988] https://creativecommons.org/licenses/by/4.0/ https://balat.kikirpa.be/copyright/copyright_en-GB.php Digitally Enhanced
National Cultural Heritage Agency of Netherlands / Interbellum_0285, Digitally Enhanced, http://creativecommons.org/licenses/by-sa/3.0/
National Cultural Heritage Agency of Netherlands / Interbellum_0270, Photographer Sjaan van der Jagt, Digitally Enhanced, http://creativecommons.org/licenses/by-sa/3.0/
National Cultural Heritage Agency of Netherlands / 332536, Digitally Enhanced, http://creativecommons.org/licenses/by-sa/3.0/
BALaT, Licensed under CC BY 4.0 KIK-IRPA, Brussels (Belgium), cliché KN001228] https://balat.kikirpa.be/copyright/copyright_en-GB.php, https://creativecommons.org/licenses/by/4.0/ Digitally Enhanced
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
The Holy Sacrifice of the Mass: The Perpetual Sacrifice of the Catholic Church by Josef Merk
BALaT, Licensed under CC BY 4.0 KIK-IRPA, Brussels (Belgium), cliché X011911] https://balat.kikirpa.be/copyright/copyright_en-GB.php, https://creativecommons.org/licenses/by/4.0/ Digitally Enhanced