1.
Catalogue of telephone instruments and accessories / Western Electric Company
Data Publicação:
1902
2.
Manual switchboards and telephones / Western Electric
3.
Telephone apparatus / Western Electric
4.
Railway and tramway telephone traffic control equipment / Western Electric
5.
Rubber insulated wires and cables and flexible cords / Western Electric
6.
Automatic telephone system / Western Electric
7.
Strowger automatic telephone system / Western Electric
