https://archive.org/details/diechristlicheku61deut/page/167/mode/thumb?view=theater
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https://archive.org/details/diechristlicheku61deut/page/167/mode/thumb?view=theater
https://archive.org/search.php?query=creator%3A%22Deutsche+Gesellschaft+f%C3%83%C2%BCr+Christliche+Kunst%22