World Zionist Organization. La sede nazionale ebraica in Palestina, 1924 t.p. (Lega delle Nazioni)
Portugal na Conferência da Paz, Paris, 1919, 1992 p. 49 (Sociedade das Nações)
Sociedad de las Naciones y la política centroamericana, 1993 p. 7 (Sociedad de Naciones)
Synthesis kai organōsis, 1928 t.p. (Koinōnia tōn Ethnōn)
Kontrakto de la Ligo de Nacioj, 1919.
Wikipedia 19 Aug. 2015 (The League of Nations was an intergovernmental organisation founded on 10 January 1920 as a result of the Paris Peace Conference that ended the First World War. At its greatest extent, from 28 September 1934 to 23 February 1935, it had 58 members. The United Nations (UN) replaced it after the end of the Second World War on 20 April 1946)