Columbia subject headings:
Armenia (Republic)--Ethnic relations.
Armenians--Azerbaijan--Nagorno-Karabakh--History--20th century.
Azerbaijan--Ethnic relations.
Nagorno-Karabakh (Azerbaijan)--History--Chronology.
Harvard subject headings:
Armenia (Republic)--Ethnic relations--Sources.
Armenia (Republic)--Foreign relations--Azerbaijan--Sources.
Armenians--Azerbaijan--Nagorno-Karabakhskai︠a︡ avtonomnai︠a︡ oblastʹ--History--20th century--Sources.
Azerbaijan--Ethnic relations--Sources.
Azerbaijan--Foreign relations--Armenia (Republic)--Sources.
Nagorno-Karabakhskai︠a︡ avtonomnai︠a︡ oblastʹ (Azerbaijan)--Ethnic relations--Sources.
Nagorno-Karabakhskai︠a︡ avtonomnai︠a︡ oblastʹ (Azerbaijan)--History--Sources.
Nagorno-Karabakhskai︠a︡ avtonomnai︠a︡ oblastʹ (Azerbaijan)--Politics and government--Sources.
Princeton subject headings: