Columbia subject headings:
Harvard subject headings:
Ireland--History--19th century--Pictorial works.
Ireland--History--20th century--Pictorial works.
Ireland--History--Civil War, 1922-1923--Pictorial works.
Ireland--History--Easter Rising, 1916--Pictorial works.
Ireland--History--War of Independence, 1919-1921--Pictorial works.
Princeton subject headings:
Ireland--History--19th century--Pictorial works.
Ireland--History--20th century--Pictorial works.