| Source: The University Club of St. Louis, Roster of Members, May 1, 1921 Location: St.L. / 367 / Un3 | |
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| Last Name: | Clapper |
| First Name: | Wm. |
| Middle Name: | L. |
| Title: | Dr. |
| Page: | 7 |
| Remarks: | in roster of active members |
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