https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12272351Edit ImageSaveSaveEditCropCustom TextStudy hour. School at Greenbelt, Maryland. 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 1200 x 907 px | 300 dpiLarge JPEG 3500 x 2647 px | 300 dpiBest Quality JPEG 14172 x 10717 px | 300 dpiTIFF 14172 x 10717 px | 300 dpi | 144.94 MBFree DownloadStudy hour. School at Greenbelt, Maryland. Sourced from the Library of Congress.More