| Source: The Printing Trades Magazine, 1909-1915 (incomplete run) Location: St.L. / 05 / P936 | |
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| Corporate Name: | E.H. O'Hara & Sons |
| Address: | 3737-3739-3741 Easton Ave. |
| Advertisement: | yes |
| Volume: | I |
| Issue: | 9 |
| Date of Publication: | December 1909 |
| Page: | 2 |
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