1847 Route of the Providence and Worcester rail road, by J. H Bufford's Lith, from the Digital Commonwealth - commonwealth cj82kn54r. (<a rel="nofollow" class="external free" href="https://www.digitalcommonwealth.org/search/commonwealth:cj82kn54r">https://www.digitalcommonwealth.org/search/commonwealth:cj82kn54r</a>)
J. H Bufford's Lith
Digital Commonwealth