Columbia subject headings:
Crete (Greece)--History--Insurrection, 1866-1868--Sources.
Eastern question (Balkan)
Europe--Foreign relations--Turkey--Sources.
Turkey--Foreign relations--Europe--Sources.
Harvard subject headings:
Turkey--Foreign relations--19th century.
Turkey--History--Sources.
Turkey. Ḫariciye Vekâleti
Princeton subject headings:
Crete (Greece)--History--Insurrection, 1866-1868--Sources.
Greece--Foreign relations--Turkey--Sources.
Turkey--Foreign relations--Greece--Sources.