| Source: The Printing Trades Magazine, 1909-1915 (incomplete run) Location: St.L. / 05 / P936 | |
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| Last Name: | Koester |
| First Name: | A. |
| Middle Name: | J. |
| Address: | 12th and Olive Sts. |
| Advertisement: | yes |
| Volume: | III |
| Issue: | 5 |
| Date of Publication: | May 1911 |
| Page: | 35 |
