Columbia subject headings:
Germany--Politics and government--1933-1945--Sources.
Krogmann, Carl Vincent.
Mayors--Germany--Hamburg--Biography.
Harvard subject headings:
Germany--Politics and government--1933-1945--Sources.
Hamburg (Germany)--Biography.
Krogmann, Carl Vincent.
Mayors--Germany--Hamburg--Biography.
Princeton subject headings:
Germany--Politics and government--1933-1945--Sources.
Hamburg (Germany)--Biography.
Krogmann, Carl Vincent.
Mayors--Germany--Hamburg--Biography.