| Source: Who's Who in the Central States (Washington, D.C.: Mayflower Pub. Co., 1929) Location: Reading Room / 920 / W62c2 | |
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| Last Name: | Harker |
| First Name: | David |
| Middle Name: | Corydon |
| Remarks: | Mentioned in a biographical sketch |
| Page: | 398 |
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