American-Italian protocol relative to radio service
[941] The Italian Ambassador ( Macchi di Cellere) to the Secretary of State
Washington,
January 16, 1918.
File No. 865.74/1
[942] The Secretary of State to the Italian Ambassador ( Macchi di Cellere)
Washington,
February 14, 1918.
File No. 865.74/2
[943] The Italian Ambassador ( Macchi di Cellere) to the Secretary of State
Washington,
February 28, 1918.
File No. 865.74/3
[944] Protocol between the United States and Italy Relative to Radio Service, Signed March 27, 1918
March 27, 1918
Treaty Series No. 631–A