| Source: Who's Who in the Central States: A Biographical Dictionary of Leading Men and Women of the Central States (Chicago: Larkin, Roosevelt & Larkin, 1947) Location: 920 / W62c | |
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| Last Name: | Frey |
| First Name: | Sophia |
| Maiden Name: | Hertz |
| Remarks: | Mentioned in a biographical sketch |
| Page: | 549 |
