| Source: The Printing Trades Magazine, 1909-1915 (incomplete run) Location: St.L. / 05 / P936 | |
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| Last Name: | Pitroff |
| First Name: | Joseph |
| Middle Name: | F. |
| Last Name, Alternate Spelling: | Pittroff |
| Volume: | V |
| Issue: | 8 |
| Date of Publication: | August, 1913 |
| Page: | 7 |
