Columbia subject headings:
Air quality--England--Lancashire.
Air quality--New England.
Textile workers--Diseases--England--Lancashire--History--19th century.
Textile workers--Diseases--England--Lancashire--History--20th century.
Textile workers--Diseases--New England--History--19th century.
Textile workers--Diseases--New England--History--20th century.
Work environment--England--Lancashire.
Work environment--New England.
Harvard subject headings:
Air quality--England--Lancashire.
Textile workers--Diseases--England--Lancashire--History--19th century.
Textile workers--Diseases--England--Lancashire--History--20th century.
Work environment--England--Lancashire.
Princeton subject headings:
Air quality--England--Lancashire.
Textile workers--Diseases--England--Lancashire--History--19th century.
Textile workers--Diseases--England--Lancashire--History--20th century.
Work environment--England--Lancashire.