| 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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| Corporate Name: | Hesse Envelope and Lithograph Co. |
| Building Illustration: | Yes |
| Address: | Kingshighway and Penrose |
| Volume: | 11 |
| Issue: | 11 |
| Date of Publication: | November, 1923 |
| Page: | 2-3 |
