Belgium
Bolivia
British Empire
China
Dominican Republic
France
Greece
Latvia
New Zealand
Persia/Iran
Peru
Soviet Union
Sweden
Yugoslavia

Sept. 26-30, 1938
Geneva

Belgium
Henri Victor Marie Carton de Wiart
Fernand van Langenhove
Maurice Bourquin 

Bolivia
Adolfo Costa du Rels

British Empire
Richard Austen Butler

China
Vi Kyuin Wellington Koo
Tai Chi Quo

Dominican Republic
Max Henriquez Urena

France
Joseph Paul Boncour

Greece
Nicolas Socrate Politis
Spiro Polychroniadis

Latvia
Jules Feldmans
Vilhelms Munters

New Zealand
Richard Mitchelson Campbell
William Joseph Jordan

Persia/Iran
Mozafar Aalm

Peru
Ventura Garcia Calderon

Soviet Union
Maksim Maksimovich Litvinov
Ivan Maisky
Aleksandra Mikhailovna Kollontay

Sweden
Richard Johannes Sandler
Karl Ivan Westman

Yugoslavia
Ivan Soubbotitch

President
Ventura Garcia Calderon 
(Peru)

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