| Source: Union Electric Company employee magazines (titled Wire and Pipe, Union Electric Magazine, Union Electric Quarterly, and Union Electric News), 1913-1969 (incomplete run) Location: St.L. / 05 / Un3, Un3b, Un3m | |
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| Last Name: | Zengel |
| First Name: | William |
| Middle Name: | R. |
| Portrait: | Yes |
| Volume: | 12 |
| Issue: | 25 |
| Date of Publication: | December 13, 1954 |
| Page: | 6 |
| Publication Title: | Union Electric News |
