State Museums of Berlin, Art Library / Dietmar Katz. Mark 1.0, https://creativecommons.org/publicdomain/mark/1.0/ Public Domain.
State Museums of Berlin, Art Library - Dietmar Katz. Decorative panel, before 1893. Public Domain.
Artwork copyright © Anna Morelli / Happy Saint Art. May not be resold or reproduced for sale. See Terms of Use for further details.
National Library of Poland
Public Domain
Universitätsbibliothek Heidelberg. Monthly magazine for all areas of Christian art and art studies as well as for the entire art life - 2.1905/1906. Public Domain
Universitätsbibliothek Heidelberg, Monthly magazine for all areas of Christian art and art studies as well as for the entire art life - 19.1922/1923. Public Domain
Universitätsbibliothek Heidelberg, Monthly magazine for all areas of Christian art and art studies as well as for the entire art life - 3.1906/1907. Public Domain
Universitätsbibliothek Heidelberg. Monthly magazine for all areas of Christian art and art studies as well as for the entire art life - 20.1923/1924. Public Domain
Christian Art; Monthly magazine for all areas of Christian art and art studies v.2 (1906). Public Domain
Christian Art; Monthly magazine for all areas of Christian art and art studies, 1912/1913, vol.9 public Domain
Christian Art; Monthly magazine for all areas of Christian art and art studies v.1 (1904-05), 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
Christian Art; Monthly magazine for all areas of Christian art and art studies, 1918/1919 vol.15, Public Domain
Christian Art: Monthly magazine for all areas of Christian art and art studies as well as for the entire art life, 1905. Public Domain
National Cultural Heritage Agency of Netherlands / 559,603 Digitally Enhanced, http://creativecommons.org/licenses/by-sa/3.0/
National Cultural Heritage Agency of Netherlands / 556,338 Digitally Enhanced, http://creativecommons.org/licenses/by-sa/3.0/
Bavarian State Painting Collections, Digitaly Enhanced,
Attribution to Creative Commons License https://creativecommons.org/licenses/by-sa/4.0/