Columbia subject headings:
Harvard subject headings:
Agricultural laborers--England--Lincolnshire--Political activity--History--19th century.
Agricultural laborers--Labor unions--England--Lincolnshire--History--19th century.
Labor movement--England--Lincolnshire--History--19th century.
Princeton subject headings:
Agricultural laborers--England--Lincolnshire--Political activity--History--19th century.
Agricultural laborers--Labor unions--England--Lincolnshire--History--19th century.
Labor movement--England--Lincolnshire--History--19th century.