National Museum of Denmark, Digitally Enhanced
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The Holy Sacrifice of the Mass: The Perpetual Sacrifice of the Catholic Church by Josef Merk
Royal Museum of Fine Arts Antwerp
Public Domain
National Museum of Denmark, Digitally Enhanced
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RISD, Attribution to Creative Commons http://creativecommons.org/publicdomain/mark/1.0/
BALaT Licensed under CC BY 4.0 KIK-IRPA, Brussels (Belgium), cliché X002748] https://creativecommons.org/licenses/by/4.0/ https://balat.kikirpa.be/copyright/copyright_en-GB.php Digitally Enhanced
Europeana, Attribution to creative Commons, https://creativecommons.org/licenses/by/3.0/ Digitally Enhanced
Library of Congress
Public Domain
National Museum of Denmark, Digitally Enhanced
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University of Göttingen, Digitally Enhanced
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National Museum of Denmark, Digitally Enhanced
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National Museum of Denmark, Digitally Enhanced
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National Museum of Denmark, Digitally Enhanced
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Bavarian State Painting Collections, Digitally Enhanced
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Series: Fifty-three Stations of the Tokaido Road (Tokaido Gojusan Tsugi No Uchi), 1852. Public Domain.
Edward von Steinle\\\'s correspondence with his friends. 1897, vol. 1, Public Domain
BALaT, Licensed under CC BY 4.0 KIK-IRPA, Brussels (Belgium), cliché X045150] https://balat.kikirpa.be/copyright/copyright_en-GB.php, https://creativecommons.org/licenses/by/4.0/ Digitally Enhanced
Christian Art; Monthly magazine for all areas of Christian art and art studies v.1 (1904-05), Public Domain
Reminders and Devotional Prints (Devotional Material) 1881/1965. Public Domain
Christian Art: Monthly magazine for all areas of Christian art and art studies as well as for the entire art life - 2.1905/​1906. Public Domain
textsChristian Art; Monthly magazine for all areas of Christian art and art studies, vol. 8, 1911/1912 Public Domain
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Sammlung, Digitally Enhanced, Attribution to Creative Commons https://creativecommons.org/licenses/by-sa/4.0/