| First Name | Family Name | Year of Record | Record Location | Image | View |
|---|---|---|---|---|---|
| William | Klapp | ------ |
Who's Who in American Jewry, 1938 |
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VIEW |
| William | Klapper | 1919 |
NY State Notices Archive - The Hebrew Standard |
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VIEW |
| William Allen | Klapperman | 1964 |
The Bnai Brith Messenger, Los Angeles, CA State Notices Archive |
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VIEW |