| Source: St. Louis and St. Louis County Directory of Physicians, Druggists, Dentists, Etc. (Detroit: R.L. Polk & Co., 1894) Location: St.L. / 04 / P759 | |
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| Last Name: | Volker |
| First Name: | Rudolph |
| Middle Name: | C. |
| Address: | 7027 South Broadway; 7117 Michigan Ave. |
| Remarks: | physician; resides at 7117 Michigan Ave. |
| Page: | 78-79 |
