Columbia subject headings:
Harvard subject headings:
Argentina--Foreign relations--1910-1943.
Argentina--Foreign relations--Europe.
Argentina--Foreign relations--United States.
Europe--Foreign relations--Argentina.
Irigoyen, Hipólito, 1852-1933
League of Nations--History.
Neutrality--Argentina--History--20th century.
United States--Foreign relations--Argentina.
World War, 1914-1918--Diplomatic history
World War, 1914-1918--Peace
Princeton subject headings:
Argentina--Foreign relations--1910-1943.
Argentina--Foreign relations--Europe.
Europe--Foreign relations--Argentina.
League of Nations--History.