Violet and Silver - The Deep Sea by James McNeill Whistler https://www.rawpixel.com/image/8939228/violet-and-silver-the-deep-sea-james-mcneill-whistlerFree Image from public domain licenseThe Assumption of the Virgin by Domenico Theotokópoulos, called El Greco https://www.rawpixel.com/image/8961481/the-assumption-the-virgin-domenico-theotokopoulos-called-grecoFree Image from public domain licenseWinter Landscape with a Man Crossing by Anthonie Waterloo https://www.rawpixel.com/image/8980504/winter-landscape-with-man-crossing-anthonie-waterlooFree Image from public domain licenseThe Letter, or The Spanish Conversation by Jean Honoré Fragonard https://www.rawpixel.com/image/8967944/the-letter-the-spanish-conversation-jean-honore-fragonardFree Image from public domain licensePortrait of Dr. William McNeill Whistler by James McNeill Whistler https://www.rawpixel.com/image/8939325/portrait-dr-william-mcneill-whistler-james-mcneill-whistlerFree Image from public domain license