| Source: Kirkwood Historical Review (published by the Kirkwood Historical Society), 1962-2022 Location: St.L. / 05 / K636 | |
 | |
| Last Name: | Geppert |
| First Name: | John |
| Middle Name: | W. |
| Portrait: | yes |
| Volume: | XVII |
| Issue: | 1 |
| Date of Publication: | March 1978 |
| Page: | cover page, 1-6 |
| Remarks: | in article titled "World War I Naval Flying Corps" |
