Belgium
Bolivia
British Empire
China
Ecuador
France
Latvia
New Zealand
Persia/Iran
Peru
Poland
Roumania
Soviet Union
Sweden

Sept. 9-19, 1938
Geneva

Belgium
Henri Victor Marie Carton de Wiart
Fernand van Langenhove

Bolivia
Adolfo Costa du Rels

British Empire
Richard Austen Butler

China
Vi Kyuin Wellington Koo
Tai Chi Quo
Chi Tsai Hoo

Ecuador
Antonio J. de Quevedo
Alejandro Gastelu

France
Joseph Paul Boncour
Emile Charveriat

Latvia
Vilhelms Munters

New Zealand
William Joseph Jordan

Persia/Iran
Mozafar Aalm

Peru
Ventura Garcia Calderon

Poland
Titus Komarnicki

Roumania
Nicolas Petresco Comnene
Alexandre Cretyziano 

Soviet Union
Maksim Maksimovich Litvinov
Jakob Souritz

Sweden
Richard Johannes Sandler
Karl Ivan Westman

President
William Joseph Jordan
(New Zealand)

Secretary-General of the League of Nations
Joseph Louis Anne Avenol