| Source: Woman's Committee, Council of National Defense, Missouri Division, "War Records" Location: Council of National Defense, Woman's Committee, Missouri Division, Records, Archives | |
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| Last Name: | Hammer |
| First Name: | Irwin |
| Middle Name: | A. |
| County: | Lawrence |
| Box: | 10 |
| Folder: | 6 |
| Remarks: | Inducted at Kansas City, Mo on April 18, 1917; served in the Medical Department attached to the 5th and 6th Field Artillery |
| Birth Date: | 1894 June 5 |
