Thomas B. Costain: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Anniversary information added. | May 04, 2026 | ||
| Anniversary information added. | Oct 04, 2025 | ||
| First paragraph modernization. | Feb 23, 2024 | ||
| Invalidated site: The Canadian Encyclopedia - Biography of Thomas B. Costain. | May 01, 2017 | ||
| Added "Thomas Bertram Costain" as a title variant. | May 03, 2012 | ||
| Add new Web site: The Canadian Encyclopedia - Biography of Thomas B. Costain. | Nov 24, 2011 | ||
| Media added. | May 28, 2008 | ||
| Article added to new online database. | Jul 20, 1998 |
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