| Section
| Date
| Issue
| Size
| Title
|
| 300-000-000 | 1968-03-01 | 14 | 26.68 KB | Numerical Index - Division 300 - Transmission Systems and Testing - Cross Reference List |
| 300-000-000 | 1980-09-01 | 19 | 36.26 KB | Numerical Index - Division 300 - Transmission Systems and Testing - Cross-Reference List |
| 300-000-000PT X1 | 1982-06-01 | L | 30.36 KB | Pacific Tel. - Numerical Index - Division 300 - Transmission Systems and Testing - Cross Reference List |
| 300-020-006 | 1967-03-01 | 19 | 1.46 MB | Cross Reference List - E Series to Plant Series |
| 300-020-007 | 1968-01-01 | 6 | 239.89 KB | Cross-Reference List - AB Series to Plant Series |
| 300-020-007 | 1974-11-01 | 10 | 888.68 KB | Cross-Reference List - AB Series to Nine-Digit Numbering Plan |