Columbia subject headings:
Harvard subject headings:
Austria--History--1867-1918--Chronology.
Austria--History--20th century--Chronology.
Hungary--History--1867-1918--Chronology.
Princeton subject headings:
Austria--History--1867-1918--Chronology.
Austria--History--20th century--Chronology.
Hungary--History--1867-1918--Chronology.