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Gunnar Heiberg
From the collection of Art Institute of Chicago. Free to download, adapt and use — no permission needed.
Credit lineGunnar Heiberg. 1896, printed after 1906. Edvard Munch (Norwegian, 1863-1944), printed by Lassally (German, late 19th-early 20th century). The Art Institute of Chicago, Clarence Buckingham Collection. CC0.