Columbia subject headings:
Harvard subject headings:
Electric industries--Austria--History--20th century.
Forced labor--Austria--History--20th century.
World War, 1939-1945--Conscript labor--Austria.
World War, 1939-1945--Prisoners and prisons.
Princeton subject headings:
Electric industries--Austria--History--20th century.
Electric industry workers--Austria.
Forced labor--Austria--History--20th century.
World War, 1939-1945--Conscript labor--Austria.