Parrott, George B., Nott, Samuel, and Ephraim W. Bouvé. "Map of parts of Middlesex & Essex counties showing the rail road routes between Salem, Lowell, Boston & Methuen." Map. Boston: Lith of E.W. Bouvé, 1847. Norman B. Leventhal Map & Education Center, https://collections.leventhalmap.org/search/commonwealth:c534g3670 (accessed April 19, 2024).