Wikipedia:WikiProject Telecommunications/Bell System/Categories

The following categories are used by this task force: Using the "Bell System" parameter of the WikiProject Telecommunications banner adds articles into the category Bell System articles, which keeps track of the quality of task force articles. The content category Bell System is not associated with the task force. Nevertheless, it can be used to find articles not yet tagged by the task force.
 * Category:Bell System
 * Category:Bell System articles