Eugène Grasset (1845-1917). "Allégorie du mois de décembre". Gravure. Paris, musée Carnavalet. https://www.rawpixel.com/image/7725964/image-flowers-art-leafFree Image from public domain licenseAn allegorical monument to Sir Isaac Newton and his theories on prisms. Line engraving by L. Desplaces after D. M. Fratta… https://www.rawpixel.com/image/13994479/image-cartoon-person-churchFree Image from public domain licenseAn allegorical monument to Sir Isaac Newton and his theories on prisms. Line engraving by L. Desplaces after D. M. Fratta… https://www.rawpixel.com/image/13992072/image-cartoon-person-churchFree Image from public domain license