| Source: The Journal of the Engineers' Club of St. Louis: Roster Issue, September 1964 Location: St.L. / 620.6 / As78y | |
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| Last Name: | Trefney |
| First Name: | Donald |
| Middle Name: | O. |
| Photograph: | Yes |
| Address: | 6425 Hurstgreen Lane |
| Page: | 227 |
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