Súbor:Virginia-mortar.gifDescription: Virginia, Petersburg, Mortar Dictator , 10/1864. Source: https://arcweb.archives.gov/arc/basic_search.jsp archive copy at the Wayback Machine
Súbor:Virginia-mortar-dictator.gifDescription: Mortar "Dictator" mounted on railway car, Lines of Investment, Petersburg, Virginia, ca. 1860 - ca. 1865. Source: https://arcweb.archives
Súbor:Virginia-mortar-battery.gifDescription: Virginia, Yorktown, Mortar Battery Number One , 05/1862. Source: https://arcweb.archives.gov/arc/basic_search.jsp archive copy at the Wayback