| Source: The St. Louis Builder/The Builder/The Realty Record and Builder, 1899-1911 (incomplete run) Location: Oversize / St.L. / 05 / R22 | |
 | |
| Last Name: | Orthwein |
| First Name: | Wm. |
| Middle Name: | D. |
| Building Illustration: | yes |
| Architect Firm Name: | Widmann, Walsh & Boisselier |
| Address: | 15 Portland Place |
| Volume: | IX |
| Issue: | 9 |
| Date of Publication: | October 1902 |
| Page: | 13 |
| Remarks: | photograph of residence; [research indicates that the exact address of this home is 15 Portland Place] |
