International list of radiotelegraph stations
By: published by the iternational office of the Telegraph Union
Edition: 7th ed.
Publisher: The Bureau
Published: 1921
Place of publication: Berne
Language: eng
Number of pages: 327
Subjects: Telegraph stations; Directories
Work titles: Official list of radiotelegraph stations
Notes: "June 1921."

Accompanied by 12 suppl. vols., dated Sept. 1921-Sept. 1922.