Columbia subject headings:
Aehrenthal, Aloys, Graf Lexa von, 1854-1912.
Austria--Foreign relations--1867-1918.
Harvard subject headings:
Aehrenthal, Aloys Leopold Baptist Lexa von, Graf, 1854-1912.
Austria--Foreign relations--1866-
Princeton subject headings:
Aehrenthal, Aloys Leopold Baptist Lexa von, Graf, 1854-1912.
Austria--Foreign relations--1867-1918.