| Source: The Clamo (Clayton High School yearbook), 1931-1935 Location: Oversize / MO / 379 / C622c | |
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| Last Name: | Grupp |
| First Name: | Billy |
| Photograph: | yes |
| Year: | 1934 |
| Page: | 10 |
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| Source: The Clamo (Clayton High School yearbook), 1931-1935 Location: Oversize / MO / 379 / C622c | |
| |
| Last Name: | Grupp |
| First Name: | Billy |
| Photograph: | yes |
| Year: | 1934 |
| Page: | 10 |