Columbia subject headings:
Germany--Foreign relations--Ireland.
Ireland--Foreign relations--Germany.
Ireland--History--1922-
World War, 1939-1945--Diplomatic history.
Harvard subject headings:
Germany--Foreign relations--Ireland.
Ireland--Foreign relations--1922-
Ireland--Foreign relations--Germany.
World War, 1939-1945--Diplomatic history
World War, 1939-1945--Ireland
Princeton subject headings:
Germany--Foreign relations--Ireland.
Ireland--Foreign relations--Germany.
Ireland--History--1922-
World War, 1939-1945--Diplomatic history.