Western Electric Catalogue Telephonic Apparatus & Supplies ~ 2nd Edition ~ 1908
Western Electric Catalogue Telephone Apparatus ~ Bulletin Number 12 ~ 1912
Western Electric Magneto Telephones ~ Bulletin Number 2 ~ 1912
Western Electric Catalogue Telephone Apparatus & Supplies ~ Number 7 ~ 1929
Western Electric Railroad Telephone & Selective Apparatus
Automatic Telephone Dial proedures ~ 997-300-500 issue 4 ~ March 1979
Bell System Reference Books
Bell System Practices 000-000-000 to 500-000-000
Bell System Practices 500-000-000 to 999-999-999
Bell System Practices A to Z
AT&T Files
Miscellaneous Vintage Telephone Schematics