| Source: Southwestern Telephone News (St. Louis: Southwestern Bell Telephone Co.), 1917-1955 (incomplete run) Location: St.L. / 05 / So89 | |
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| Last Name: | Hahn |
| First Name: | Harold |
| Middle Name: | M. |
| Volume: | 35 |
| Issue: | 2-3 |
| Date of Publication: | February-March 1947 |
| Page: | 38 |
