Die Aktion Jg. 6, Nr. 39/40 (30. Sept. 1916) by Egon Schiele, Verlag der Wochenschrift Die Aktion and Franz Pfemfert https://www.rawpixel.com/image/11932729/image-paper-person-artFree Image from public domain licenseDer Sturm 7, no. 1 (1916) - Der Sturm 9, no. 12 (1919) by Jacoba van Heemskerck, Maria Uhden, Oswald Herzog, Arnold Topp… https://www.rawpixel.com/image/11932965/image-art-pattern-vintageFree Image from public domain licenseStudy of a Model (1894) by Edvard Munch. Original from The Art Institute of Chicago. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2055408/artwork-edvard-munchFree Image from public domain licenseChurchyard and Church, Fortress at Fehmarn (Kirchhof und Kirche, Burg auf Fehmarn) by Ernst Ludwig Kirchner https://www.rawpixel.com/image/12038564/image-person-art-cartoonFree Image from public domain licenseProspectus for The work of Ernst Ludwig Kirchner by W. Grohmann by Ernst Ludwig Kirchner https://www.rawpixel.com/image/12018103/image-face-paper-personFree Image from public domain licensePan 3, no. 1-2 (1897) by Wilhelm Leibl, Ludwig von Hofmann, Max Liebermann, Jan Veth, Felix Hollenberg and Walter Leistikow https://www.rawpixel.com/image/12038151/image-plant-art-cartoonFree Image from public domain license