Columbia subject headings:
Harvard subject headings:
Forced labor--Germany--Ravensbrück--History--20th century.
Ravensbrück (Concentration camp)
Siemens & Halske--History--20th century.
Women Nazi concentration camp inmates--Germany--Ravensbrück--History--20th century.
Princeton subject headings:
Forced labor--Germany--Ravensbrück--History--20th century.
Ravensbrück (Concentration camp)
Siemens & Halske--History--20th century.
Women Nazi concentration camp inmates--Germany--Ravensbrück--History--20th century.