- 1912 San Francisco Telephone Exchange Plant Photos
- Telephony videos on YouTube
- AUTOVON : Telephones and equipment
- Batteries : Various types of batteries and battery containers as used by the Bell System and others.
- Pre—production models, prototype, display telephones, and related objects.
- Early Telephone Apparatus
- Western Electric Telephone and Apparatus and Equipment, January 1970
- Western Electric Telephone Product Handbook
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A telephone museum in Northern California, dedicated to preserving telephone history