| 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: | Machinery Building (Louisiana Purchase Exposition) |
| Architect Firm Name: | Widmann, Walsh & Boisselier |
| Volume: | XI |
| Issue: | 3 |
| Date of Publication: | March 1904 |
| Page: | 23, 26 |
| Remarks: | [research indicates that the correct spelling of the architecture firm is Widmann, Walsh & Boisselier, not Widman, Walsh & Boisselier] |
