| Source: Missouri Pacific Lines Magazine, 1943-1965 (incomplete run) Location: St.L. / 05 / M69p and oversize / St.L. / 05 / M69p | |
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| Last Name: | Bertel |
| First Name: | Roy |
| Middle Name: | G. |
| Portrait: | yes |
| Volume: | 31 |
| Issue: | 2 |
| Date of Publication: | August 1957 |
| Page: | 16 |
