Columbia subject headings:
Cambridge (Mass.)--History--19th century.
Somerville (Mass.)--History--19th century.
Suburbs--Massachusetts--Boston--History--19th century.
Harvard subject headings:
Cambridge (Mass.)--History.
Somerville (Mass.)--History.
Suburbs--Massachusetts--Boston--History--19th century.
Princeton subject headings:
Cambridge (Mass.)--History--19th century.
Somerville (Mass.)--History--19th century.
Suburbs--Massachusetts,--Boston--History--19th century.