Columbia subject headings:
George V, King of Great Britain, 1865-1936.
George VI, King of Great Britain, 1895-1952.
Great Britain--History--George V, 1910-1936.
Great Britain--History--George VI, 1936-1952.
Great Britain--Kings and rulers--Biography.
Monarchy--Great Britain--History--20th century.
Harvard subject headings:
George V, King of Great Britain, 1865-1936
George VI, King of Great Britain, 1895-1952.
Great Britain--History--George V, 1910-1936.
Great Britain--History--George VI, 1936-1952.
Great Britain--Kings and rulers--Biography.
Monarchy--Great Britain--History--20th century
Princeton subject headings:
George V, King of Great Britain, 1865-1936.
George VI, King of Great Britain, 1895-1952.
Monarchy--Great Britain--History.