Reading Publishing House (Reading, Pa.). "Map of the South Mountain and Boston Railroad & connections showing territory passed through, rail-roads and canals crossed or connected with, together with mineral and geographical features of country passed through." Map. Reading, Pa: Reading Publishing House, [1876]. Norman B. Leventhal Map & Education Center, https://collections.leventhalmap.org/search/commonwealth:x059cd14d (accessed April 24, 2024).