British Empire
China
France
Germany
Guatemala
Ireland
Italy
Japan
Norway
Panama
Peru
Poland
Spain
Yugoslavia

Sept. 19-30, 1931
Geneva

British Empire
Robert Cecil of Chelwood

China
Sao Ke Alfred Sze

France
Aristide Briand
Pierre Etienne Flandin
Rene Lucien Daniel Massigli
Maurice Petsche

Germany
Julius Curtius

Guatemala 
Jose Matos

Ireland  
Patrick McGilligen
Sean Lester

Italy  
Dino Grandi
Augusto Rosso
Vittorio Scialoja

Japan
Naotake Sato
Setsuzo Sawada
Kenkichi Yoshizawa

Norway
Birger Braadland

Panama
Narciso Garay

Peru 
Jose Maria Barreto
Alfredo Gonzalez Prada

Poland  
Franciszek Sokal
Henryk Leon Strasburger
August Zaleski

Spain 
Alejandro Lerroux Garcia

Yugoslavia 
Ilia Choumenkovitch
Constantin Alexander Fotitch
Voislav Marinkovitch

President
Alejandro Lerroux Garcia (Spain)

Secretary-General of the League of Nations
James Eric Drummond