Documents de la Conférence télégraphique internationale de Vienne.
Publisher: Imprimerie impériale
Published: 1868
Place of publication: Vienne
Language: fre
Number of pages: 459
Subjects: International telegraph convention, 1865 -- Revisions, 1868; Telegraph -- Law and legislation
Notes: Half-title: Conférence télégraphique internationale de Vienne. Révision de la convention de Paris.