| Source: The Whip and Spur (May 1929 to April-May 1931) Location: St.L. / 05 / W577 | |
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| Corporate Name: | Webster Hearing Aid Corporation |
| Address: | Olive at 9th St. |
| Advertisement: | yes |
| Volume: | 2 |
| Issue: | 5 |
| Date of Publication: | October 1930 |
| Page: | inside front cover |
