The telephone: a lecture entitled Researches in electric telephony

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

American School of Correspondence

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

Walter Kellogg Towers

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

American School of Correspondence

The telephone, the microphone & the phonograph

Th. Du Moncel

Le Téléphone, le Microphone et le Phonographe

Th. Du Moncel

The Telephone An Account of the Phenomena of Electricity, Magnetism, and Sound, as Involved in Its Action

A. E. Dolbear