| Source: The St. Louis Builder/The Builder/The Realty Record and Builder, 1899-1911 (incomplete run) Location: Oversize / St.L. / 05 / R22 | |
 | |
| Building Illustration: | yes |
| Corporate Name: | Palace of Machinery (Louisiana Purchase Exposition) |
| Architect Firm Name: | Widmann, Walsh & Boisselier |
| Volume: | X |
| Issue: | 12 |
| Date of Publication: | December 1903 |
| Page: | 38-39 |
