Portrait of Hugh Montgomerie, Later Twelfth Earl of Eglinton by John Singleton Copley https://www.rawpixel.com/image/11932924/image-person-art-vintageFree Image from public domain licenseTriumph of Stoffel Brinkerhoff, on His Return from His Conquests in the East, John Gadsby Chapman https://www.rawpixel.com/image/8849891/image-vintage-public-domain-paintingFree Image from public domain licenseHistoric Spanish Record of the Conquest, South Side of Inscription Rock, N.M. by Timothy O'Sullivan https://www.rawpixel.com/image/8964451/photo-image-border-plant-bearsFree Image from public domain licenseHistoric Spanish Record of the Conquest, South Side of Inscription Rock, N.M. by Timothy H O Sullivan https://www.rawpixel.com/image/14272350/image-art-public-domain-paintingFree Image from public domain license