| Source: Who's Who in North St. Louis (St. Louis: North St. Louis Business Men's Association, 1925) Location: Reading Room / St.L. / 920 / N81 | |
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| Last Name: | Hartwig |
| First Name: | Sophia |
| Middle Name: | R. |
| Maiden Name: | Springmeier |
| Page: | 139 |
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