(???) International Radiotelegraph Convention (Berlin, 1906)
 (???) The Art and Skill of Radio-Telegraphy (Pierpont, 2002)
 (???) Wireless Telegraphy (Collins, 1905)
 (???) Manual of Wireless Telegraphy for the use of Naval Electricians (Robison, 1906)
 (???) Wireless Telegraph Construction for Amateurs (Morgan, 1913)
 (???) Text Book on Wireless Telegraphy (Stanley, 1914)
 (???) Wireless Telegraphy and High Frequency Electricity (Twining, 1909)
 (???) The Story of Wireless Telegraphy (Story, 1909)
 (???) The Principles of Electric Wave Telegraphy and Telephony (Fleming, 1919)
 (???) Wireless Telegraphy with Special Reference to the Quenched-Spark System (Leggett, 1921)
 (???) Manual of Radio Telegraphy for Radio Operators Using Federal Arc Equipment (1920)
 (???) A History of Wireless Telegraphy (Fahie, 1902)
 (???) The Wireless Operator's Pocketbook of Information and Diagrams (Bishop, 1911)
 (???) A Handbook of Wireless Telegraphy (Murray, 1907)
 (???) Harper's Wireless Book (Verrill, 1913)
 (???) A Treatise Upon Wireless Telegraphy and Telephony (Hoppough, 1912)
 (???) Elements of Radio Telegraphy (Stone, 1919)
 (???) Wireless Telegraphy A Popular Exposition(Tunzelmann, 1902)
 (???) Wireless Telegraphy (Zenneck, 1915)