https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12274563Edit ImageSaveSaveEditCropCustom TextLouis Slinker and some of her pupils in one-room schoolhouse in Grundy County, Iowa. Sourced from the Library of Congress.View public domain image source hereMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGTIFFSmall JPEG 917 x 1200 px | 300 dpiLarge JPEG 2674 x 3500 px | 300 dpiBest Quality JPEG 10548 x 13806 px | 300 dpiTIFF 10548 x 13806 px | 300 dpi | 139 MBFree DownloadLouis Slinker and some of her pupils in one-room schoolhouse in Grundy County, Iowa. Sourced from the Library of Congress.More