| Source: Mercantile, Industrial and Professional Saint Louis / by E.D. Kargau (1902) Location: Reading Room / St.L. / 9.17 / K14 | |
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| Last Name: | Lagenberg |
| First Name: | H. |
| Middle Name: | F. |
| Page: | 158-159 |
| Remarks: | listed as member of board of directors of the American Exchange Bank |
