| 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: | Zdvorak |
| First Name: | Roy |
| Volume: | 15 |
| Issue: | 10 |
| Date of Publication: | October, 1927 |
| Page: | 11-13 |
