Thomas Robert Malthus. Stipple engraving by Félicie Fournier after John Linnell, ca. 1834. https://www.rawpixel.com/image/14013000/image-face-person-artFree Image from public domain licenseThomas Robert Malthus. Stipple engraving by Félicie Fournier after John Linnell, ca. 1834. https://www.rawpixel.com/image/14015065/image-face-person-artFree Image from public domain licenseAn apothecary composed of the attributes of the trade. Line engraving. https://www.rawpixel.com/image/13983649/apothecary-composed-the-attributes-the-trade-line-engravingFree Image from public domain licenseAn apothecary composed of the attributes of the trade. Line engraving. https://www.rawpixel.com/image/13975682/apothecary-composed-the-attributes-the-trade-line-engravingFree Image from public domain license