| First Name | Family Name | Year of Record | Record Location | Image | View |
|---|---|---|---|---|---|
| Julius | Popper | 1900 |
Record Book of the Baron de Hirsch Trade School, Baron de Hirsch Fund, American Jewish Historical Society |
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| Julius S | Popper | 1902 |
Young Men\'s Hebrew Association of New York, 1874-1902 List of Donors and Members |
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VIEW |
| Julius S. | Popper | 1912 |
NY State Notices Archive - The Hebrew Standard |
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VIEW |