| Source: Kirkwood Historical Review (published by the Kirkwood Historical Society), 1962-2022 Location: St.L. / 05 / K636 | |
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| Corporate Name: | D. Prough & Son |
| Volume: | XXXIII |
| Issue: | 4 |
| Date of Publication: | December 1994 |
| Page: | 39-44 |
| Remarks: | transcription of advertisement from 1915 Kirkwood newspaper |
