| Source: Kirkwood Historical Review (published by the Kirkwood Historical Society), 1962-2022 Location: St.L. / 05 / K636 | |
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| Last Name: | Leffingwell |
| First Name: | Hiram |
| Middle Name: | Simons |
| Birth Date: | 1837 April 10 |
| Volume: | XXIX |
| Issue: | 4 |
| Date of Publication: | December 1990 |
| Page: | cover page, 39-45 |
