Columbia subject headings:
World War, 1914-1918--Medical care--Ireland--Congresses.
Harvard subject headings:
Ireland--History--Civil War, 1922-1923--Medical care--Congresses.
Ireland--History--War of Independence, 1919-1921--Medical care--Congresses.
World War, 1914-1918--Medical care--Ireland--Congresses.
Princeton subject headings:
World War, 1914-1918--Medical care--Ireland.
World War, 1939-1945--Medical care--Ireland.