Sophonisba Preston Breckinridge: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Anniversary information added. | Mar 28, 2026 | ||
| Anniversary information added. | Jul 26, 2025 | ||
| First paragraph modernization. | Feb 16, 2024 | ||
| Invalidated site: Spartacus Educational - Biography of Sophonisba Breckinridge. | Feb 13, 2020 | ||
| Add new Web site: The University of Chicago - School of Social Service Administration - Biography of Sophonisba Breckinridge. | Jan 15, 2020 | ||
| Add new Web site: The Social Welfare History Project - Biography of Sophonisba Preston Breckinridge. | Feb 16, 2017 | ||
| Article revised. | Sep 04, 2012 | ||
| Media added. | Mar 11, 2011 | ||
| Article revised. | Dec 01, 1999 | ||
| Article added to new online database. | Jul 20, 1998 |
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