Koning Willem II (1849 - 1850) by Hendrik Wilhelmus Last and Charles van Lier https://www.rawpixel.com/image/13751552/koning-willem-1849-1850-hendrik-wilhelmus-last-and-charles-van-lierFree Image from public domain licenseVrouw in Tiroler dracht (1835) by Henri Grévedon, Joseph Rose Lemercier, Aumont and Cie and Tessari and Cie https://www.rawpixel.com/image/13764258/image-paper-face-personFree Image from public domain licensePortret van Wilhelmina van Pruisen, prinses van Oranje-Nassau (1791) by Charles Melchior Descourtis and Rudolf Samuel Hentzy https://www.rawpixel.com/image/13781203/image-paper-face-personFree Image from public domain licenseOnline shopping technology with woman picking out clothes remixed media https://www.rawpixel.com/image/3248663/free-illustration-image-marketing-digital-audience-bloggingView licenseSir John Frederick William Herschel. Stipple engraving by G. Gabrielli, 1875, after himself. https://www.rawpixel.com/image/13993818/image-face-person-artFree Image from public domain licenseHenry S. Tanner at the end of his 40-day fast at Clarendon Hall, New York City. Photograph by G.E. Hogg, 1880. https://www.rawpixel.com/image/14008432/photo-image-face-person-artFree Image from public domain licenseMax Joseph von Pettenkofer. Wood engraving, 18--, after J. Kriehuber. https://www.rawpixel.com/image/13985309/max-joseph-von-pettenkofer-wood-engraving-18-after-kriehuberFree Image from public domain licenseCharles Aston Key. Stipple engraving by F. Holl, 1851, after G. Richmond. https://www.rawpixel.com/image/13998359/charles-aston-key-stipple-engraving-holl-1851-after-richmondFree Image from public domain license