Columbia subject headings:
Armenia--History--1801-1900.
Armenia--History--1901-
Armenian question.
Turkey--History--1878-1909.
Harvard subject headings:
Armenia--History--1801-1900
Armenia--History--1901-
Armenian question.
Turkey--History--1878-1909.
Princeton subject headings:
Armenia--History--1801-1900.
Armenia--History--1901-
Armenian question.
Turkey--History--1878-1909.