Moritz Heinrich Romberg. Lithograph by Wildt after J. Schlesinger. https://www.rawpixel.com/image/13990919/moritz-heinrich-romberg-lithograph-wildt-after-schlesingerFree Image from public domain licenseThe death mask of Charles Talleyrand, the French statesman. Lithograph, c. 1860, after M. Krantz. https://www.rawpixel.com/image/13979622/image-face-person-artFree Image from public domain licenseSir Benjamin Thompson, Count von Rumford. Stipple engraving by J.P.P. Rauschmayr after M. Kellerhoven, 1792. https://www.rawpixel.com/image/14005072/image-face-person-artFree Image from public domain licenseA girl is brought by an old woman to visit her former foster-mother and wet nurse in a cottage. Engraved by E. Mohn after M.… https://www.rawpixel.com/image/14014224/image-plant-person-artFree Image from public domain licenseMoritz Hoffmann. Line engraving by P. Kilian after D. Preissler, 1664. https://www.rawpixel.com/image/14012697/moritz-hoffmann-line-engraving-kilian-after-preissler-1664Free Image from public domain licenseKallipädie oder, Erziehung zur Schönheit durch naturgetreue und gleichmässige Förderung normaler Körperbildung… https://www.rawpixel.com/image/14000352/image-paper-cartoon-artFree Image from public domain licenseFranz Marc's The Foxes (1913) famous painting. Original from Wikimedia Commons. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3984489/illustration-image-art-abstract-vintageFree Image from public domain licensePortrait of Louis Moritz by Jean Bernard (1775-1883). Original from The Rijksmuseum. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/481377/free-illustration-image-sketch-portrait-century-man-faceFree Image from public domain license