"List of Markers by Marker Number"(PDF). nh.gov. New Hampshire Division of Historical Resources. November 2, 2018. Archived(PDF) from the original on January 27, 2013. Retrieved July 5, 2019.
"List of Markers by Marker Number"(PDF). nh.gov. New Hampshire Division of Historical Resources. November 2, 2018. Archived(PDF) from the original on January 27, 2013. Retrieved July 5, 2019.