John Blackwell: References & Edit History
Article Contributors
Primary Contributors
-
The Editors of Encyclopaedia Britannica
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.
Other Encyclopedia Britannica Contributors
Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Anniversary information added. | May 15, 2026 | ||
| Anniversary information added. | Jan 01, 2026 | ||
| First paragraph modernization. | Feb 16, 2024 | ||
| Add new Web site: Dictionary of Welsh Biography - Biography of John Blackwell. | Jul 17, 2019 | ||
| Added URL to topic: EMedicineHealth - Encopresis. | Aug 10, 2009 | ||
| Added URL to topic: Emedicine - Encopresis. | Aug 10, 2009 | ||
| Article added to new online database. | Jul 20, 1998 |
View Changes:
Article History
Revised:
By: