Columbia subject headings:
Bundesarchiv (Germany)--Catalogs.
Germany. Reichsarbeitsministerium--Archives--Catalogs.
Labor policy--Germany--History--Sources--Bibliography--Catalogs.
Harvard subject headings:
Bundesarchiv (Germany)--Catalogs.
Germany. Reichsarbeitsministerium--Archives--Catalogs.
Working class--Germany--History--20th century--Sources--Bibliography--Catalogs.
Princeton subject headings:
Administrative agencies--Germany--History--Sources--Catalogs.
Germany--History--1933-1945--Sources--Catalogs.
Germany. Reichsarbeitsministerium--Archives--Catalogs.