Helen Hyde's Three Friends of Winter (1913). Original public domain image from the Smithsonian. https://www.rawpixel.com/image/7635049/direct-captureFree Image from public domain licensePhotographs from the Study Trip to Russia Used for the Painting,"The Abolition of Serfdom in Russia," (1914), from the "Epic… https://www.rawpixel.com/image/14260934/photo-image-face-person-clothingFree Image from public domain licensePhotographs from the Study Trip to Russia Used for the Painting,"The Abolition of Serfdom in Russia," (1914), from the "Epic… https://www.rawpixel.com/image/14261016/photo-image-face-person-clothingFree Image from public domain licenseCheremenetsky Monastery, Fishing by Karl Karlovitz Bulla https://www.rawpixel.com/image/14254767/cheremenetsky-monastery-fishing-karl-karlovitz-bullaFree Image from public domain licenseThe Head of the Cheremenetsky Monastery near Luga by Karl Karlovitz Bulla https://www.rawpixel.com/image/14254091/the-head-the-cheremenetsky-monastery-near-luga-karl-karlovitz-bullaFree Image from public domain licenseThe Flat Iron Building, New York City by Alvin Langdon Coburn https://www.rawpixel.com/image/14255507/the-flat-iron-building-new-york-city-alvin-langdon-coburnFree Image from public domain licenseCheremenestsky Monastery, Water Carrier by Karl Karlovitz Bulla https://www.rawpixel.com/image/14254139/cheremenestsky-monastery-water-carrier-karl-karlovitz-bullaFree Image from public domain licenseDrifter, Sheep Wagon and Band on Winter Bedground by Laton Alton Huffman https://www.rawpixel.com/image/14271793/drifter-sheep-wagon-and-band-winter-bedground-laton-alton-huffmanFree Image from public domain license