| 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: | Caldwell |
| First Name: | J. |
| Middle Name: | L. |
| Portrait: | Yes |
| Volume: | 13 |
| Issue: | 10 |
| Date of Publication: | October, 1925 |
| Page: | 7 |
