Home / Bell System Practices 000-000-001 - Master Alphabetical Index to All Divisions Bell System Practices 000-000-001 - Master Alphabetical Index to All Divisions Bell System Practices & 000-000-001 - Issue 14 October 1964 ★ 5.0 · 65 reads Sign in to save this Request CodeZLIB.IO18520656 Published2022 Pages1 LanguageUnknown