11. Map and profile of Charles River Railroad from Boston to Woonsocket Creator: Charles River Railroad Format: Maps/Atlases Collection: Massachusetts Board of Railroad Commissioners Institution: State Library of Massachusetts
12. Map of the Middlesex railroad and proposed extension Creator: Barbour, W. S., Hodges, Arthur, and Bufford, John Henry, 1810-1870. Format: Maps/Atlases Collection: Massachusetts Board of Railroad Commissioners Institution: State Library of Massachusetts
