Columbia subject headings:
Germany (East)--History--Chronology.
Germany (West)--History--Chronology.
Germany--History--1945-1955--Chronology.
Harvard subject headings:
Germany (East)--History--Chronology.
Germany (West)--History--Chronology.
Germany--History--1945-1955--Chronology.
Germany--History--1945-1990--Chronology.
Princeton subject headings:
Germany (East)--History--Chronology.
Germany (West)--History--Chronology.
Germany--History--1945-1955--Chronology.