| 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 | |
 | |
| Last Name: | Zengel |
| First Name: | William |
| Volume: | 24 |
| Issue: | 12 |
| Date of Publication: | June 28, 1966 |
| Page: | 3 |
| Publication Title: | Union Electric News |
