Columbia subject headings:
Leman, Gérard Mathieu Joseph Georges, 1851-
World War, 1914-1918--Belgium.
Harvard subject headings:
Leman, Georges, 1851-1920.
World War, 1914-1918--Belgium
Princeton subject headings:
Leman, Gérard Mathieu Joseph Georges, 1851- .
World War, 1914-1918--Belgium.