| 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: | Singer |
| First Name: | Jos. |
| Middle Name: | U. |
| Remarks: | in list of reappointments; in list of retired; in list of resignations |
| Report: | 52nd Annual Report, Year Ending March 31, 1913 |
| Page: | 7, 9 |
