congrès internationaux de 1900 à 1919
Subtitle: liste complète.  International congresses, 1900 to 1919, full list
Series: Its Documents pour servir à l'étude des relations internationales non-gouvernementales, no. 14.  Publication no. 188
Published: 1964
Place of publication: Bruxelles
Language: fre
Number of pages: 143
Subjects: Congresses and conventions
Other titles: International congresses, 1900 to 1919