| Source: St. Louis County Medical Society Bulletin, Volume VII, Number 16 (August 23, 1940) Location: MO / 610.6 / Sa21 | |
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| Last Name: | Hardy |
| First Name: | Guerdon |
| Title: | Dr. |
| Address: | 539 North Grand |
| Page: | 248, 255 |
| Remarks: | in list of active members |
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