Columbia subject headings:
Harvard subject headings:
Artists--Germany--Hamburg--Biography.
Exiles--Germany--Hamburg--Biography.
Hamburg (Germany)--Biography--20th century.
Hamburg (Germany)--Emigration and immigration.
Hamburg (Germany)--Intellectual life--20th century.
Politicians--Germany--Hamburg--Biography.
Scientists--Germany--Hamburg--Biography.
Princeton subject headings:
Artists--Germany--Hamburg--Biography.
Exiles--Germany--Hamburg--Biography.
Hamburg (Germany)--Biography--20th century.
Hamburg (Germany)--Emigration and immigration.
Hamburg (Germany)--Intellectual life--20th century.
Politicians--Germany--Hamburg--Biography.
Scientists--Germany--Hamburg--Biography.