Columbia subject headings:
Azerbaijan--Foreign relations--Iran--20th century.
Azerbaijan--Foreign relations--Turkey--20th century.
Azerbaijan--Politics and government--20th century.
Iran--Foreign relations--Azerbaijan--20th century.
Iran--Foreign relations--Turkey--20th century.
Islam and politics.
Turkey--Foreign relations--Azerbaijan--20th century.
Turkey--Foreign relations--Iran--20th century.
Turkey--Politics and government--20th century.
Harvard subject headings:
Azerbaijan--Foreign relations--Iran--20th century.
Azerbaijan--Foreign relations--Turkey--20th century.
Azerbaijan--Politics and government--20th century.
Iran--Foreign relations--Azerbaijan--20th century.
Iran--Foreign relations--Turkey--20th century.
Islam and politics
Turkey--Foreign relations--Azerbaijan--20th century.
Turkey--Foreign relations--Iran--20th century.
Turkey--Politics and government--20th century
Princeton subject headings:
Azerbaijan--Foreign relations--Iran--20th century.
Azerbaijan--Foreign relations--Turkey--20th century.
Azerbaijan--Politics and government--20th century.
Iran--Foreign relations--Azerbaijan--20th century.
Iran--Foreign relations--Turkey--20th century.
Islam and politics.
Turkey--Foreign relations--Azerbaijan--20th century.
Turkey--Foreign relations--Iran--20th century.
Turkey--Politics and government--20th century.