Columbia subject headings:
World War, 1914-1918--Economic aspects--Serbia.
World War, 1914-1918--Serbia.
Harvard subject headings:
World War, 1914-1918--Economic aspects--Yugoslavia--Serbia.
World War, 1914-1918--Serbia
Princeton subject headings:
World War, 1914-1918--Economic aspects--Yugoslavia--Serbia.
World War, 1914-1918--Yugoslavia--Serbia.