Columbia subject headings:
Archival resources--United States.
Archives--Germany--Catalogs.
German Historical Institute (Washington, D.C.)--Catalogs.
Germany--Archival resources.
Germany--History--Bibliography.
Harvard subject headings:
Archives--Europe, German-speaking--Catalogs.
Archives--Germany--Catalogs.
Europe, German-speaking--History--Sources--Bibliography--Catalogs.
German Historical Institute (Washington, D.C.)--Catalogs.
Germany--History--Sources--Bibliography--Catalogs.
Princeton subject headings: