| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 26 |
 |
Telephone Operators | 1951-11-14 | Image | dha_scp |
| 27 |
 |
Telephone Switchboards | 1949-07-01 | Image | dha_scp |
| 28 |
 |
Telephone Switchboards | 1949-07-01 | Image | dha_scp |
| 29 |
 |
Utah District Telegraph Co. | 1925-11-09 | Image/StillImage | dha_scnpp |