| Source: The Printing Trades Magazine, 1909-1915 (incomplete run) Location: St.L. / 05 / P936 | |
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| Corporate Name: | J. Hahn Bakery Co. |
| Address: | 2801-2803-2805-2807 South 7th St. |
| Advertisement: | yes |
| Volume: | VII |
| Issue: | 9 |
| Date of Publication: | September 1915 |
| Page: | 3 |
