Columbia subject headings:
Harvard subject headings:
Ireland--History, Military--20th century--Pictorial works.
Ireland--History, Military--20th century.
World War, 1914-1918--Ireland
World War, 1914-1918--Ireland--Pictorial works.
World War, 1914-1918--Participation, Irish--Pictorial works.
World War, 1914-1918--Participation, Irish.
Princeton subject headings:
Ireland--History, Military--20th century--Pictorial works.
Ireland--History, Military--20th century.
World War, 1914-1918--Ireland--Pictorial works.
World War, 1914-1918--Ireland.
World War, 1914-1918--Participation, Irish--Pictorial works.
World War, 1914-1918--Participation, Irish.