| Source: World War I: Biography and Service Records:
Persons Who Enlisted in St. Louis City and
County Location: Reading room / St. Louis shelves | |
 | |
| Last Name: | Klaus |
| First Name: | Mathew |
| Middle Name: | B. |
| Illustration: | No |
| Address: | 2234 Jules St. |
| Rank: | Corporal |
| Birth Year: | 1896 |
