Columbia subject headings:
Berlin (Germany)--Politics and government--Sources.
Berlin (Germany). Magistrat--Records and correspondence.
Protocol-books--Germany--Berlin.
Harvard subject headings:
Berlin (Germany)--Politics and government--Sources.
Berlin (Germany). Magistrat--Records and correspondence.
Protocol-books--Germany--Berlin.
Princeton subject headings:
Berlin (Germany : East). Magistrat--History--Sources.
Berlin (Germany). Magistrat--History--Sources.
Germany--History--1945-1955--Sources.
Municipal government--Germany--Berlin--History--Sources.