Columbia subject headings:
Industrial policy--Germany.
Trusts, Industrial--Germany.
World War, 1939-1945--Economic aspects--Germany.
Harvard subject headings:
Industrial policy--Germany
Trusts, Industrial--Germany.
World War, 1939-1945--Economic aspects--Germany.
Princeton subject headings:
Industrial policy--Germany.
Trusts, Industrial--Germany.
World War, 1939-1945--Economic aspects--Germany.