Head of Prof. Dr. Graef (1915) print in high resolution by Ernst Ludwig Kirchner. Original from The National Gallery of Art.… https://www.rawpixel.com/image/3034887/free-illustration-image-portrait-antique-artFree Image from public domain licensePeter Schlemihl's Wondrous Story: The Sale of His Shadow (1915) print in high resolution by Ernst Ludwig Kirchner. Original… https://www.rawpixel.com/image/3034772/free-illustration-image-woodcut-painting-shadow-antiqueFree Image from public domain license