| Source: The Politician (St. Louis, Mo.: The Meier Company), 1930-1931 Location: St.L. / 05 / P759 | |
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| Last Name: | Grothoff |
| First Name: | John |
| Corporate Name: | Gambelton Garage |
| Address: | 1167-1169-1173 Hodiamont |
| Advertisement: | yes |
| Volume: | 2 |
| Issue: | 5 |
| Date of Publication: | January 1930 |
| Page: | 10 |
