University of Maryland Libraries Hornbake Library 4130 Campus Drive
Navigate the Collection
1.9.38, Crater Museum, Petersburg National Military Park, Petersburg, Virginia, circa 1961-1980, Box: 9. Institute of American Deltiology Postcard collection, 0007-MDHC. Special Collections and University Archives. https://archives.lib.umd.edu//repositories/2/archival_objects/577585 Accessed April 19, 2021.