Von Haake, A.,  and United States. Post Office Dept.  "Post route map of the states of New Hampshire, Vermont, Massachusetts, Rhode Island, Connecticut showing post offices with the intermediate distances on mail routes in operation on the 1st. of December, 1897."  Map.  1897.  Norman B. Leventhal Map & Education Center,  https://collections.leventhalmap.org/search/commonwealth:cj82km05m (accessed May 20, 2019).