| Source: Fifty Years, 1874-1924 (More-Jones Brass & Metal Co.) (St. Louis: Skinner & Kennedy, 1924) Location: St.L. / 338.4 / M813 | |
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| Last Name: | Grengel |
| First Name: | Oscar |
| Middle Name: | L. |
| Photograph: | Yes |
| Page: | 33 |
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