| Source: Mercantile, Industrial and Professional Saint Louis / by E.D. Kargau (1902) Location: Reading Room / St.L. / 9.17 / K14 | |
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| Corporate Name: | H.A. Hyatt Photographic Supplies |
| Address: | 18 North 4th St.; 410 and 412 North Broadway |
| Page: | 415-416 |
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