From The Secretary of State. States that message for transmission by Cypher 0.4 should be sent by safe mail route to Suva and from there re-transmitted by cable but must not be used for wireless telegrams., 1919

From The Secretary of State. States that message for transmission by Cypher 0.4 should be sent by safe mail route to Suva and from there re-transmitted by cable but must not be used for wireless telegrams., 1919, MSS Archives.2003/1.WPHC 4/IV.1919. File 1205/1919, Reel: MSS MIcrofilm 0308; Reel: AU Microfilm 79-207; Box: C3026873. WPHC 4/IV : Inwards correspondence, 1919., MSS Archives.2003/1.WPHC 4/IV.1919. Western Pacific Archives, University of Auckland. https://archives.library.auckland.ac.nz/repositories/8/archival_objects/224837 Accessed July 06, 2024.