Columbia subject headings:
Manchester (England)--History.
Massacres--England--Manchester--History--19th century.
Peterloo Massacre, Manchester, England, 1819.
Working class--England--Manchester--History--19th century.
Harvard subject headings:
Peterloo Massacre, Manchester, England, 1819.
Princeton subject headings:
Peterloo Massacre, Manchester, England, 1819.