Columbia subject headings:
Gunpowder Plot, 1605.
Harvard subject headings:
Catholics--England--History--17th century
Conspiracies--England--History--17th century.
Great Britain--History--James I, 1603-1625.
Gunpowder Plot, 1605
Princeton subject headings:
Great Britain--History--James I, 1603-1625.
Gunpowder Plot, 1605.
Treason--England--History--17th century.