Columbia subject headings:
Special forces (Military science)--Great Britain--History.
Special forces (Military science)--History.
Special forces (Military science)--United States--History.
Harvard subject headings:
Special forces (Military science)--Great Britain--History.
Special forces (Military science)--History.
Special forces (Military science)--United States--History.
Princeton subject headings:
Special forces (Military science)--Great Britain--History.
Special forces (Military science)--History.
Special forces (Military science)--United States--History.