| Source: A Century Plus of Electrical Progress: History of the Electrical Industry in Metro St. Louis (1982?) Location: St.L. / 621.3 / C397 | |
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| Last Name: | Toensfeld |
| First Name: | Ralph |
| Page: | 21-22, 129 |
| Source: A Century Plus of Electrical Progress: History of the Electrical Industry in Metro St. Louis (1982?) Location: St.L. / 621.3 / C397 | |
![]() | |
| Last Name: | Toensfeld |
| First Name: | Ralph |
| Page: | 21-22, 129 |