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

May 9-14, 1938
Geneva

Belgium
Fernand van Langenhove

Bolivia
Adolfo Costa du Rels

British Empire
Edward Frederick Lindley Wood (Earl of Halifax)

China
Vi Kyuin Wellington Koo

Ecuador
Alejandro Gastelu
Antonio J. de Quevedo

France
Georges Etienne Bonnet

Latvia
Jules Feldmans
Vilhelms Munters

New Zealand
William Joseph Jordan

Persia/Iran
Abdollah Bahramy
Abdollah Entezam

Peru
Raul Porras Barrenechea
Ventura Garcia Calderon

Poland
Titus Komarnicki

Roumania
Nicolas Petresco Comnene

Soviet Union
Maksim Maksimovich Litvinov
Jakob Souritz

Sweden
Richard Johannes Sandler
Karl Ivan Westman

President
Vilhelms Munters
(Latvia)

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