Columbia subject headings:
Afghanistan--History--2001-2021.
Afghanistan--Politics and government--2001-
War on Terrorism, 2001-2009.
Harvard subject headings:
Afghanistan--History--2001-2021
Afghanistan--Politics and government--2001-
War on Terrorism, 2001-2009
Princeton subject headings:
Afghanistan--History--2001-2021.
Afghanistan--Politics and government--2001-
War on Terrorism, 2001-2009.