Lois Slinker and one of her pupils in one-room schoolhouse. Grundy County, Iowa. Sourced from the Library of Congress. https://www.rawpixel.com/image/12272832/photo-image-face-person-bookFree Image from public domain licenseLois Slinker, teacher of the one room school house. rings bell to end recess period. Grundy County, Iowa. Sourced from the… https://www.rawpixel.com/image/12272794/photo-image-face-person-public-domainFree Image from public domain licenseMan waiting in railroad station. Radford, Virginia. Sourced from the Library of Congress. https://www.rawpixel.com/image/12283437/photo-image-face-hand-personFree Image from public domain license