Columbia subject headings:
New England--Economic conditions.
Shoe industry--New England--Employees--History--19th century.
Shoe industry--New England--History--19th century.
Harvard subject headings:
New England--Economic conditions.
Shoe industry--New England--Employees--History--19th century.
Shoe industry--New England--History--19th century.
Princeton subject headings:
New England--Economic conditions.
Shoe industry--New England--Employees--History--19th century.
Shoe industry--New England--History--19th century.