La entrada ha sido combinada con AT&T.
American Telephone and Telegraph Company.,
Autor de Principles of Electricity Applied to Telephone and Telegraph Work
Obras de American Telephone and Telegraph Company.,
The telephone in America. -- 3 copias
Telephone in America 2 copias
Electricity for the telephone man 2 copias
For Noteworthy Public Service 2 copias
No. 1 Electronic Switching System (The Bell System Technical Journal V 43, #5, Part 2, Sep 1964) 1 copia
Annual report 1 copia
Notes on the network 1 copia
We learn about the telephone 1 copia
AT&T: annual report 1996 1 copia