Columbia subject headings:
Harvard subject headings:
Nagorno-Karabakh (Azerbaijan)--History.
Nagorno-Karabakh (Azerbaijan)--Politics and government.
Princeton subject headings:
Azerbaijan--History--1991-
Nagorno-Karabakh (Azerbaijan)--History--Autonomy and independence movements.
Nagorno-Karabakh (Azerbaijan)--Politics and government.
Nagorno-Karabakh Conflict, 1988-1994.