- Harvard Map Collection, Harvard Library20
- Metropolitan Area Planning Council (Boston, Mass.)11
- Harvard Map Collection, Harvard College Library5
- Federal Emergency Management Agency3
- United States Geological Survey3
- Bracher, Wm. (William)2
- Geological Survey (U.S.)2
- Gray, J.2
- Hitchcock, Edward, 1828-1911.2
- Hundt, R.2
- Metropolitan Planning Organization (Mass.). Central Transportation PlanningStaff.2
- Smith & Morely.2
- Walling, Henry Francis, 1825-1888.2
- Worley, George.2
- Cartographic Associates (Littleton, N.H.)1
- Hales, John Groves.1
- Hamilton, Archibald, d. 1792.1
- Map Grotto (Firm)1
- MassGIS (Office : Mass.)1
- Massachusetts. Department of Public Works.1