Columbia subject headings:
Great Britain--History--Commonwealth and Protectorate, 1649-1660.
Great Britain--History--Early Stuarts, 1603-1649.
Harvard subject headings:
Great Britain--History--Commonwealth and Protectorate, 1649-1660.
Great Britain--History--Early Stuarts, 1603-1649.
Princeton subject headings:
Great Britain--History--Commonwealth and Protectorate, 1649-1660.
Great Britain--History--Early Stuarts, 1603-1649.