19 plans by Mr. Campanakis for new League Buildings
Arbitration: Heating and Ventilation Company of the Palais des Nations (31-42)
Bell Telephone Company - Description of the Harmonic Telegraphy Receiver for the League of Nations.
Bulgaria: End of operations report and annexes (2 sub-files) (1923-1927)
Final Operations Report - Annexes - Resolutions of the Ambassadors' Conference
Germany (11 sub-files) (1927)
Hungary - Hungarian Control Commission - Official Yearbook of the Honvéd Army - Control of the engagement records of the 7 mixed brigades and the independent units.
League Wireless Station - Société française radio-électrique.
Marconi Wireless Telegraph Company - Drawings [Prints] of Transmitting Station and Receiving Station (Section E)..
Marconi Wireless Telegraph Company - Drawings [Prints] of Transmitting Station and Receiving Station (Section E continued).