Columbia subject headings:
Somme, 1st Battle of the, France, 1916--Pictorial works.
Somme, 1st Battle of the, France, 1916--Poetry.
Harvard subject headings:
Somme, 1st Battle of the, France, 1916--Poetry.
Princeton subject headings:
Poetry.
Somme, 1st Battle of the, France, 1916--Pictorial works.
Somme, 1st Battle of the, France, 1916--Poetry.