| Source: Men Who Make St. Louis the City of Opportunity (St. Louis: W.P. Tracy, [1927]) Location: Reading Room / St.L. / 920 / T67 | |
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| Last Name: | Pettengill |
| First Name: | Mary |
| Middle Name: | Elizabeth |
| Maiden Name: | Keene |
| Page: | 184-185, 256 |
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