| Source: Necrology scrapbooks, Volumes 1-32 Location: Reading Room / St.L. / 920 / N28 | |
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| Last Name: | Gruenewald |
| First Name: | Gustav |
| Middle Name: | H. |
| Death Year: | 1978 |
| Age: | 80 |
| Volume: | 31 |
| Page: | 73 |
| Remarks: | died in Arizona |
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