International wireless telegraph : [hearings, Sixtieth Congress, first session.] An international wireless telegraph convention, with service regulations annexed thereto, a supplementary agreement, and a final protocol, all signed at Berlin on November 3, 1906, by delegates of the United States and those of several other powers, and hearings thereon before the Committee on Foreign Relations, United States Senate, ...

Mode of access: Internet.

International wireless telegraphy : hearing before the Committee on Foreign Relations, United States Senate, Sixty-second Congress, on an International Wireless Telegraphy Convention, with service regulations annexed thereto, a supplementary agreement, and a final protocol, all signed at Berlin on November 3, 1906, by delegates of the United States and those of several other powers. February 21, 1912.

Mode of access: Internet.