Edwin Ray Guthrie: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Anniversary information added. | Apr 19, 2026 | ||
| Anniversary information added. | Jan 05, 2026 | ||
| First paragraph modernization. | Mar 11, 2024 | ||
| Invalidated site: Muskingum College - Department of Psychology - Biography of Edwin R. Guthrie. | Nov 16, 2017 | ||
| Added new Web site: A2zpsychology - Biography of Edwin Ray Guthrie. | Sep 20, 2007 | ||
| Article revised. | Dec 21, 2000 | ||
| Article added to new online database. | Jul 20, 1998 |
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