| Source: Program for the graduating exercises of the Manual Training School, Washington University, June 17, 1903 Location: Clayton Family Papers, Archives | |
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| Last Name: | Pechmann |
| First Name: | Louis |
| Middle Name: | August Herman |
| Source: Program for the graduating exercises of the Manual Training School, Washington University, June 17, 1903 Location: Clayton Family Papers, Archives | |
![]() | |
| Last Name: | Pechmann |
| First Name: | Louis |
| Middle Name: | August Herman |