Columbia subject headings:
Harvard subject headings:
Germany--Politics and government--1933-1945
Labor union members--Germany--Biography--Exhibitions.
Labor union members--Germany--Biography.
Labor unions--Germany--History--20th century--Exhibitions.
Labor unions--Germany--Officials and employees--Biography.
National socialism
Nazi concentration camp inmates--Germany--Correspondence
Nazi concentration camps--Germany--History
Political prisoners--Germany--Biography
Princeton subject headings:
Labor union members--Germany--Biography.
Labor unions--Germany--Officials and employees--Biography.
Nazi concentration camp inmates--Germany--Biography.
Political prisoners--Germany--Biography.