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resources [2026-06-18 19:51] – ↷ Page name changed from collections to resources J. B. Crawfordresources [2026-06-19 01:13] (current) J. B. Crawford
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 This page aims to serve as an index of useful resources for researching telecom history. This page aims to serve as an index of useful resources for researching telecom history.
 +
 +===== Telecom Archive =====
 +
 +[[https://www.telecomarchive.com|telecomarchive.com]] has an expansive index of historic Bell System documents, including Bell System Practices (BSP) and Bell Laboratories Review (BLR), Schematic Drawings (SD), and more.
  
 ===== Telephone Collectors International (TCI) ===== ===== Telephone Collectors International (TCI) =====
  
-TCI maintains a number of invaluable resources, most notably their [[https://www.telephonecollectors.info|library of scanned documentation]]. There are many BSPs and other similar documents available there, but as with any trove of old information, finding what you're looking for can be difficult. There are a few finding aids to know:+TCI maintains a number of invaluable resources, most notably their [[https://www.telephonecollectors.info|library of scanned documentation]]. There are many BSPs and other similar documents available there, but as with any trove of old information, finding what you're looking for can be difficult. The archive includes a few period finding aids:
  
   - [[https://www.telephonecollectors.info/index.php/browse/bsps-bell-system/index-documents|BSP indices]], which were published back when the BSPs were current to explain what all the layer numbers mean. These are one of the first places to look if you want technical information on older equipment.   - [[https://www.telephonecollectors.info/index.php/browse/bsps-bell-system/index-documents|BSP indices]], which were published back when the BSPs were current to explain what all the layer numbers mean. These are one of the first places to look if you want technical information on older equipment.
   - [[https://www.telephonecollectors.info/index.php/browse/document-repository/catalogs-manuals/bell-system-we/bell-labs-record/blr-index|BLR indices]], which list articles by title in the Bell Laboratories Record. A large portion of old BLR issues can be found in the [[https://archive.org/search?query=bell+laboratories+record&tab=all|Internet Archive]], but they are not very easy to search there, so the index is a good place to start before searching for a specific volume/issue/date.   - [[https://www.telephonecollectors.info/index.php/browse/document-repository/catalogs-manuals/bell-system-we/bell-labs-record/blr-index|BLR indices]], which list articles by title in the Bell Laboratories Record. A large portion of old BLR issues can be found in the [[https://archive.org/search?query=bell+laboratories+record&tab=all|Internet Archive]], but they are not very easy to search there, so the index is a good place to start before searching for a specific volume/issue/date.
 +
 +===== Phreaknet =====
 +
 +Phreaknet is a hobbyist telephone network project. The Phreaknet website includes a [[https://phreaknet.org/res|huge list of resources]] with many websites, articles, etc.
  
 ===== Telecom Archaeology on Facebook ===== ===== Telecom Archaeology on Facebook =====