| Source: Memorial book of the Concord Farmers Club, 1877-1958 (photocopy) Location: Oversize / MO / 920 / C744c | |
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| Last Name: | Jahn |
| First Name: | Johan |
| Middle Name: | Gottlob |
| Remarks: | Memorial sketch of |
| Birth Year: | 1830 |
| Death Year: | 1912 |
| Volume: | 1 |
| Page: | 88 |
