| United States, World War I Registration Cards, 1917-1918 - F A Koetting | |
| 1930 Census St. Louis (Independent City), St. Louis Co., Missouri |  |
| Dr Felix A. Koetting |  |
| The Koetting family optometrists are shown. From left, James Koetting, O.D., Felix Koetting, O.D., and Robert Koetting, O.D. |
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| Valle Spring Cemetery |  |
| Felix and Cecilia Koetting Stone |  |