Samuel F. B. Morse, His Letters and Journals In Two Volumes, Volume I.

Samuel F. B. Morse, His Letters and Journals In Two Volumes, Volume II

Masters of Space Morse and the Telegraph; Thompson and the Cable; Bell and the Telephone; Marconi and the Wireless Telegraph; Carty and the Wireless Telephone

Cyclopedia of Telephony and Telegraphy, Vol. 1 A General Reference Work on Telephony, etc. etc.

Cyclopedia of Telephony and Telegraphy, Vol. 2 A General Reference Work on Telephony, etc. etc.

Lives of the electricians