| Source: Who's Who in North St. Louis (St. Louis: North St. Louis Business Men's Association, 1925) Location: Reading Room / St.L. / 920 / N81 | |
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| Last Name: | Holtmann |
| First Name: | Orvel |
| Middle Name: | G. |
| Portrait: | yes |
| Birth Date: | 1906 August 25 |
| Page: | 236 |
