Columbia subject headings:
World War, 1914-1918--Atrocities.
World War, 1914-1918--Belgium--Louvain.
Harvard subject headings:
World War, 1914-1918--Atrocities
World War, 1914-1918--Belgium--Louvain.
Princeton subject headings:
World War, 1914-1918--Atrocities.
World War, 1914-1918--Belgium--Louvain.