Columbia subject headings:
Germany--Economic conditions--1918-1945--Archival resources.
Germany--History--1918-1933--Archival resources.
Industries--Germany--Archival resources.
Harvard subject headings:
Germany--Economic conditions--1918-1945--Archival resources.
Germany--History--1918-1933--Archival resources.
Industries--Germany--Archival resources.
Princeton subject headings:
Germany--Economic conditions--1918-1945--Archival resources.
Germany--History--1918-1933--Archival resources.
Industries--Germany--Archival resources.