| Source: Parks Air News, 1933-1949 Location: IL / 629.13 / P252n (oversize box) | |
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| Last Name: | Zipf |
| First Name: | Joseph |
| Middle Name: | E. |
| Title: | Mr. |
| Portrait: | yes |
| Volume: | 4 |
| Issue: | 9 |
| Date of Publication: | November 1936 |
| Page: | 1 |
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