| Source: List of Officers and Employes [Employees] of the City of St. Louis (St. Louis, Mo.: Office of Auditor, 1913) Location: St.L. / 352.1 / Sa2e | |
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| Last Name: | Heinzelman |
| First Name: | Otto |
| Address: | 1900 North Grand Ave. |
| Position: | Blacksmith |
| Department: | Work House |
| Page: | 197 |
