| Source: The Engineers' Club of St. Louis Year Book, 1948 Location: St.L. / 620.6 / As78y | |
 | |
| Last Name: | Kopplin |
| First Name: | Karl |
| Photograph: | No |
| Address: | 7645 Florissant Road |
| Page: | 115 |
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
| Source: The Engineers' Club of St. Louis Year Book, 1948 Location: St.L. / 620.6 / As78y | |
| |
| Last Name: | Kopplin |
| First Name: | Karl |
| Photograph: | No |
| Address: | 7645 Florissant Road |
| Page: | 115 |