Columbia subject headings:
Afghanistan--History, Military--20th century.
Afghanistan--History--1989-2001.
Afghanistan--History--Soviet occupation, 1979-1989.
Harvard subject headings:
Afghanistan--History--1989-2001.
Afghanistan--History--2001-2021
Afghanistan--History--Soviet occupation, 1979-1989.
Princeton subject headings:
Afghanistan--History--1989-2001.
Afghanistan--History--2001-2021.
Afghanistan--History--Soviet occupation, 1979-1989.