| Source: General Alumni Catalogue of Washington University, 1917 Location: St.L. / 378 / W27g | |
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| Last Name: | Heidinger |
| First Name: | Rudolph |
| Middle Name: | G. |
| Class Year: | 1905 |
| Residence: | Collinsville, Ill. |
| Page: | 135 |
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