| Source: The Commonwealther (St. Louis, Mo.: Commonwealth Steel Company), 1915-1930 (incomplete run) Location: St.L. / 05 / C737 | |
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| Last Name: | Keller |
| First Name: | Percy |
| Middle Name: | R. |
| Portrait: | Yes |
| Birth Year: | 1896 |
| Volume: | XVI |
| Issue: | 5 |
| Date of Publication: | November, 1930 |
| Page: | 18 |
