| Source: Union Electric Company employee magazines (titled Wire and Pipe, Union Electric Magazine, and Union Electric News), 1920-1930, 1941, 1954, 1956-1967 (incomplete run) Location: Dewey Stacks / Range 17B / Side A | |
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| Last Name: | Yeiser |
| First Name: | Horace |
| Middle Name: | D. |
| Volume: | 16 |
| Issue: | 9 |
| Date of Publication: | May 6, 1958 |
| Page: | 6 |
| Publication Title: | Union Electric News |
