Columbia subject headings:
World War, 1914-1918--Economic aspects--Austria.
World War, 1914-1918--Economic aspects--Germany.
Harvard subject headings:
World War, 1914-1918--Economic aspects--Austria
World War, 1914-1918--Economic aspects--Germany
Princeton subject headings:
World War, 1914-1918--Economic aspects--Austria.
World War, 1914-1918--Economic aspects--Germany.