Study For Liberty Displaying the Arts and Sciences, or The Genius of America Encouraging the Emancipation of the Blacks by… https://www.rawpixel.com/image/9613907/image-feet-slave-benjamin-franklinFree Image from public domain licenseBranch Insane Asylum, Napa, California. Wood engraving by F. Wyatt, 1873, after B. Sly. https://www.rawpixel.com/image/13961325/image-cloud-person-artFree Image from public domain licenseKaart van het gebied rond de Rijn (1630) by Benjamin Wright and Nicolaes van Geelkercken https://www.rawpixel.com/image/13777188/image-background-paper-personFree Image from public domain licenseGroup of people standing in or around a gazebo by Benjamin L Wright https://www.rawpixel.com/image/14302527/group-people-standing-around-gazebo-benjamin-wrightFree Image from public domain license