| Source: Program for Washington University commencement, June 15, 1899 Location: Washington University Collection, Archives | |
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| Last Name: | McKenzie |
| First Name: | Robert |
| Middle Name: | Ewing |
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| Source: Program for Washington University commencement, June 15, 1899 Location: Washington University Collection, Archives | |
| |
| Last Name: | McKenzie |
| First Name: | Robert |
| Middle Name: | Ewing |