| Source: Who's Who in North St. Louis (St. Louis: North St. Louis Business Men's Association, 1925) Location: Reading Room / St.L. / 920 / N81 | |
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| Corporate Name: | Keystone Roofing and Manufacturing Company |
| Building Illustration: | yes |
| Address: | 1131-1135 South 12th St. |
| Page: | 213 |
