Columbia subject headings:
Harvard subject headings:
Hamburg (Germany)--Description and travel.
Hamburg (Germany)--History--20th century.
Hamburg (Germany)--Politics and government--20th century.
Prime ministers--Germany--Biography.
Schmidt, Helmut, 1918-2015--Homes and haunts--Germany--Hamburg.
Princeton subject headings:
Hamburg (Germany)--Description and travel.
Hamburg (Germany)--History--20th century.
Hamburg (Germany)--Politics and government--20th century.
Schmidt, Helmut, 1918-2015--Homes and haunts--Germany--Hamburg.