The brain as an organ of mind (1896) vintage icon by Bastian, H. Charlton. Original public domain image from Wikipedia.… https://www.rawpixel.com/image/10539860/image-face-border-personFree Image from public domain licenseGracie Clark, Spinner, With Her Family, Hunstville, Alabama by Lewis W Hine https://www.rawpixel.com/image/14249786/gracie-clark-spinner-with-her-family-hunstville-alabama-lewis-hineFree Image from public domain licenseTony Casale, Newsboy, Hartford, Connecticut by Lewis W Hine https://www.rawpixel.com/image/14248587/tony-casale-newsboy-hartford-connecticut-lewis-hineFree Image from public domain licenseCarlist War, Spain: wounded soldiers being carried down from the Heights opposite Andoain. Wood engraving. https://www.rawpixel.com/image/13992778/image-horse-cartoon-personFree Image from public domain license