Columbia subject headings:
Germany--Economic conditions--1918-1945--Sources.
Germany--Social conditions--1933-1945--Sources.
Harvard subject headings:
Germany--Economic conditions--1918-1945--Sources.
Germany--Social conditions--1933-1945--Sources.
Princeton subject headings:
Germany--Economic conditions--1918-1945--Sources.
Germany--Economic policy--1933-1945--Sources.
Germany--History--1933-1945--Sources.
Industries--Germany--History--20th century--Sources.
National socialism--Sources.
World War, 1939-1945--Economic aspects--Germany--Sources.