Columbia subject headings:
Women rug and carpet industry workers--New York (State)--History--19th century.
Women rug and carpet industry workers--Pennsylvania--Philadelphia--History--19th century.
Harvard subject headings:
Knights of Labor.
Women rug and carpet industry workers--New York (State)--History--19th century.
Women rug and carpet industry workers--Pennsylvania--Philadelphia--History--19th century.
Princeton subject headings:
Women rug and carpet industry workers--New York (State)--History--19th century.
Women rug and carpet industry workers--Pennsylvania--Philadelphia--History--19th century.