Frontpage of the publication: "Farbendruck und Farbenphotographie". Published 1908 in Leipzig.
<a href="//commons.wikimedia.org/w/index.php?title=User:Joachim-Maria_Arndt&amp;action=edit&amp;redlink=1" class="new" title="User:Joachim-Maria Arndt (page does not exist)">Joachim-Maria Arndt</a>
2013-06-28
<span class="int-own-work" lang="en">Own work</span>