| Source: Annual Report of the Board of Police Commissioners of the City of St. Louis, 1872-1945 (incomplete run) Location: St.L. / 352.2 / Sa2 | |
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| Last Name: | Williams |
| First Name: | Mackie |
| Middle Name: | D. |
| Age: | 33 |
| Remarks: | in list of appointments |
| Report: | 52nd Annual Report, Year Ending March 31, 1913 |
| Page: | 6 |
