| Source: The St. Louis Builder/The Builder/The Realty Record and Builder, 1899-1911 (incomplete run) Location: Oversize / St.L. / 05 / R22 | |
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| Corporate Name: | Machinery Building (Louisiana Purchase Exposition) |
| Architect Firm Name: | Widmann, Walsh & Boisselier |
| Volume: | IX |
| Issue: | 6 |
| Date of Publication: | July 1902 |
| Page: | 16, 20 |
