| Source: Laclede News, 1956-1963, 1965-1969 (incomplete run) Location: Gephardt Stacks 12.6.2 | |
 | |
| Last Name: | Yoos |
| First Name: | Mary |
| Middle Name: | C. |
| Volume: | 30 |
| Issue: | 8 |
| Date of Publication: | October 1966 |
| Page: | 14 |
| Remarks: | in list of employees marking anniversaries with the company |
