| Source: Souvenir booklet titled "Geschichte des Deutschen Theaters in St. Louis, 1842-1902" ["History of the German Theater in St. Louis"]. Location: Theater Programs Collection, Archives | |
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| Last Name: | Horn |
| First Name: | M. |
| Title: | Mr. |
| Portrait: | yes |
| Page: | 9, 22 |
| Remarks: | in group photograph |
