Columbia subject headings:
Great Britain--Politics and government--1901-1910.
Great Britain--Politics and government--1910-1936.
Liberalism--Great Britain--History--20th century.
Harvard subject headings:
Great Britain--Politics and government--1901-1910.
Great Britain--Politics and government--1910-1936.
Liberalism--Great Britain--History--20th century
Princeton subject headings:
Great Britain--Politics and government--1901-1910.
Great Britain--Politics and government--1910-1936.
Liberalism--Great Britain--History--20th century.