Bock, Elfried, 1875-1933 · München, F. Hanfstaengl · leaf 348
Radierung. Schiefler 160 278X208 mm Abb. 375. Max Liebermann. Bildnis des Professors Cohen. 1912 Mit Genehmigung des Verlages Bruno Cassirer, Berlin 334
Engraving
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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