Columbia subject headings:
Boothby, Robert John Graham, Baron, 1900-1986.
Great Britain--Politics and government--20th century.
Politicians--Great Britain--Biography.
Harvard subject headings:
Boothby, Robert John Graham, Baron, 1900-
Great Britain--Politics and government--20th century.
Politicians--Great Britain--Biography
Princeton subject headings:
Boothby, Robert John Graham, Baron, 1900-
Great Britain--Politics and government--20th century.
Politicians--Great Britain--Biography.