Columbia subject headings:
Non-governmental organizations--Great Britain--History.
Harvard subject headings:
Humanitarian assistance, British--Great Britain--History--20th century.
Humanitarianism--Great Britain--History--20th century.
Non-governmental organizations--Great Britain--History--20th century.
Princeton subject headings:
Humanitarian assistance, British--Great Britain--History--20th century.
Humanitarianism--Great Britain--History--20th century.
Non-governmental organizations--Great Britain--History--20th century.