| Source: St. Louis and St. Louis County Directory of Physicians, Druggists, Dentists, Etc. (Detroit: R.L. Polk & Co., 1894) Location: St.L. / 04 / P759 | |
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| Last Name: | Hartwig |
| First Name: | Otto |
| Middle Name: | A. |
| Address: | 10th & Market |
| Remarks: | physician |
| Page: | 54 |
