Thunder Cloud, Blackfeet by Adolph F Muhr and Frank A Rinehart https://www.rawpixel.com/image/14263254/thunder-cloud-blackfeet-adolph-muhr-and-frank-rinehartFree Image from public domain licensePortrait Study, Probably South Carolina or Louisiana by Doris Ulmann https://www.rawpixel.com/image/14262992/portrait-study-probably-south-carolina-louisiana-doris-ulmannFree Image from public domain licenseSister Mary Paul Lewis, a Sister of the Order of the Holy Family, New Orleans by Doris Ulmann https://www.rawpixel.com/image/14262800/photo-image-face-hand-peopleFree Image from public domain licenseThe back of an Omaha Indian. Platinum print by F.A. Rinehart, 1899. https://www.rawpixel.com/image/13959627/the-back-omaha-indian-platinum-print-fa-rinehart-1899Free Image from public domain licenseNasuteas (Kichai Woman), Wichita by Adolph F Muhr and Frank A Rinehart https://www.rawpixel.com/image/14263163/nasuteas-kichai-woman-wichita-adolph-muhr-and-frank-rinehartFree Image from public domain licenseDegree of Ossification of a Five-Month-Old Fetus (Degré d'ossification d'un Foetus de cinq mois) by Unknown https://www.rawpixel.com/image/8964041/photo-image-person-art-watercolorFree Image from public domain licenseCantley: Wherries Waiting for the Turn of the Tide by Peter Henry Emerson https://www.rawpixel.com/image/9045841/cantley-wherries-waiting-for-the-turn-the-tide-peter-henry-emersonFree Image from public domain licenseLeopold Hamilton Myers as 'The Compassionate Cherub' by Eveleen W H Myers https://www.rawpixel.com/image/14263946/leopold-hamilton-myers-the-compassionate-cherub-eveleen-myersFree Image from public domain licenseSusan Hannah Macdowell, Unidentified Girl, Elizabeth Macdowell, and Possibly Mary Macdowell at the Macdowell House, Thomas… https://www.rawpixel.com/image/8845475/photo-image-art-vintage-handFree Image from public domain licenseAbraham Lincoln, Springfield, Illinois by Alexander Hesler https://www.rawpixel.com/image/8964000/abraham-lincoln-springfield-illinois-alexander-heslerFree Image from public domain licenseShot in the Eye, Sioux by Adolph F Muhr and Frank A Rinehart https://www.rawpixel.com/image/14263665/shot-the-eye-sioux-adolph-muhr-and-frank-rinehartFree Image from public domain licenseChief Little Wound, Ogalalla Sioux by Adolph F Muhr and Frank A Rinehart https://www.rawpixel.com/image/14263707/chief-little-wound-ogalalla-sioux-adolph-muhr-and-frank-rinehartFree Image from public domain licenseLittle Bird, Arapahoe by Adolph F Muhr and Frank A Rinehart https://www.rawpixel.com/image/14263762/little-bird-arapahoe-adolph-muhr-and-frank-rinehartFree Image from public domain licenseYellow Feather, Maricopa by Adolph F Muhr and Frank A Rinehart https://www.rawpixel.com/image/14263713/yellow-feather-maricopa-adolph-muhr-and-frank-rinehartFree Image from public domain license