40 staff depending on the business of the Court. Cases Cases S.S. Wimbledon case 1923 Mavrommatis Palestine Concessions 1924 Interpretation of the Treaty of Neuilly Case 1924 Mavrommatis Jerusalem Concessions 1925 Certain German Interests in Polish Upper Silesia 1926 Factory at Chorzów case 1927 The Lotus case 1927 Rights of Minorities in Upper Silesia (Minority Schools) 1928 Free Zones of Upper Savoy and the District of Gex (France v Switzerland) Brazilian Loans case 1929 Serbian Loans case 1929 Territorial Jurisdiction of the International Commission of the Oder River Case 1929 Legal Status of the South-Eastern Territory of Greenland 1932 Lighthouses case between France and Greece 1934 Oscar Chinn case 1934 Minority Schools in Albania case 1935 Losinger case 1936 Diversion of Water from the Meuse Case 1937 Borchgrave case 1937 Phosphates in Morocco case 1938 Panevezys-Saldutiskis Railway case 1939 Electricity Company of Sofia and Bulgaria case 1939 Société Commerciale de Belgique 1939 Advisories Status of Eastern Carelia Question 1923 Nationality Decrees Issued in Tunis and Morocco 1923 German Settlers in Poland 1923 Jaworzina 1923 Monastery of Saint-Naoum Question 1924 Exchange of Greek and Turkish Populations Question 1925 Polish Postal Service in Danzig Question 1925 the Expulsion of the Ecumenical Patriarch Question the Treaty of Lausanne Question Competence of the International Labour Organisation to Regulate Incidentally the Personal Work of the Employer 1926 Jurisdiction of the European Commission of the Danube Jurisdiction of the Courts of Danzig Case 1928 Greco-Bulgarian "Communities" Question 1930 Interpretation of the Greco-Turkish Agreement 1928 Access to German Minority Schools in Upper Silesia 1931 Customs Regime between Germany and Austria Question 1931 Railway Traffic between Lithuania and Poland Question 1931 Interpretation of the Greco-Bulgarian Agreement 1932 Free Zones of Upper Savoy and the District of Gex 1932 Interpretation of the Convention of 1919 concerning Employment of Women during the Night 1932 Jurisdiction The Court's jurisdiction was largely optional, but there were some situations in which they had "compulsory jurisdiction", and states were required to refer cases to them. That came from three sources: the Optional Clause of the League of Nations, general international conventions and "special bipartite international treaties". The Optional Clause was a clause attached to the protocol establishing the court and required all signatories to refer certain classes of dispute to the court, with compulsory judgments resulting. There were approximately 30 international conventions under which the Court had similar jurisdiction, including the Treaty of Versailles,