Columbia subject headings:
Great Britain--History--Civil War, 1642-1649--Sources.
Great Britain--History--Civil War, 1642-1649.
Harvard subject headings:
Great Britain--History--Charles I, 1625-1649.
Great Britain--History--Civil War, 1642-1649--Causes.
Great Britain--History--Civil War, 1642-1649--Sources.
Great Britain--History--Civil War, 1642-1649.
Princeton subject headings:
Dissenters, Religious--Great Britain.
Great Britain--History--Civil War, 1642-1649--Sources.
Great Britain--History--Civil War, 1642-1649.
Radicalism--Great Britain--17th century.