| Source: Public Servicer (magazine published by the employees of the St. Louis Public Service Company), two issues dated August 1929 and June 1930 Location: St.L. / 05 / P976 | |
 | |
| Last Name: | Cappler |
| Volume: | 3 |
| Issue: | 6 |
| Date of Publication: | June 1930 |
| Page: | 21 |
| Remarks: | car-placer |
