Columbia subject headings:
Harvard subject headings:
New Zealand--History--1918-1945--Congresses.
New Zealand--History--1918-1945.
World War, 1939-1945--New Zealand--Congresses.
World War, 1939-1945--New Zealand.
Princeton subject headings:
New Zealand--History--1918-1945.
World War, 1939-1945--New Zealand.