Columbia subject headings:
Harvard subject headings:
Azerbaijan--History.
Azerbaijanis--Armenia (Republic)--Yerevan.
Irävan (Khanate)
Yerevan (Armenia)--History.
Princeton subject headings:
Azerbaijan--History.
Azerbaijanis--Armenia (Republic)--Yerevan.
Irävan (Khanate)
Yerevan (Armenia)--History.