Columbia subject headings:
Harvard subject headings:
Eastern question (Balkan)
Turco-Italian War, 1911-1912.
Turkey--Foreign relations.
Turkey--History--1878-1909.
Turkey--History--20th century.
World War, 1914-1918--Turkey
Princeton subject headings:
Turkey--Foreign relations.
Turkey--History--1878-1909.
Turkey--History--20th century.