Columbia subject headings:
Harvard subject headings:
Viersen (Germany : Kreis)--History--20th century.
World War, 1914-1918--Monuments--Germany--Viersen (Kreis)
Princeton subject headings:
Soldiers' monuments--Germany--Viersen (Kreis).
Viersen (Germany : Kreis)--Buildings, structures, etc.
War memorials--Germany--Viersen (Kreis).
World War, 1914-1918--Monuments--Germany--Viersen (Kreis).