| Source: Booklet of the South St. Louis Gymnastic Society, 1905-1906 Location: Koch Family Papers, Archives | |
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| Last Name: | Hack |
| First Name: | Louis |
| Middle Name: | A. |
| Portrait: | yes |
| Address: | 3439 Nebraska |
| Page: | 4, 5, 27, 35 |
| Source: Booklet of the South St. Louis Gymnastic Society, 1905-1906 Location: Koch Family Papers, Archives | |
![]() | |
| Last Name: | Hack |
| First Name: | Louis |
| Middle Name: | A. |
| Portrait: | yes |
| Address: | 3439 Nebraska |
| Page: | 4, 5, 27, 35 |