| Source: The Printing Trades Magazine, 1909-1915 (incomplete run) Location: St.L. / 05 / P936 | |
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| Last Name: | McMahon |
| First Name: | William |
| Middle Name: | F. |
| Age: | 57 |
| Death Year: | 1910 Feb. 10 |
| Volume: | II |
| Issue: | 3 |
| Date of Publication: | March, 1910 |
| Page: | 22 |
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