| Source: "Missourians in the European War" scrapbooks, 1917-1967 (bulk 1917-1920) (11 volumes) Location: Reading Room / MO / 9.9 / M69m | |
 | |
| Last Name: | Clayton |
| First Name: | John |
| Middle Name: | B. |
| Photograph: | Yes |
| Rank: | First Lieutenant |
| Page: | 54, 66, 67, 95, 129 |
| Volume: | 3 |
