Helen Blackburn: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Anniversary information added. | May 21, 2026 | ||
| Anniversary information added. | Jan 07, 2026 | ||
| First paragraph modernization. | Feb 16, 2024 | ||
| Modified title of Web site: Spartacus Educational - Biography of Helen Blackburn. | Jul 16, 2014 | ||
| Add new Web site: Spartacus Educational - Biography of Helen Blackburn. | Oct 18, 2011 | ||
| Article added to new online database. | Jul 20, 1998 |
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