| December 12, 2011 | Edited by 117.192.174.223 | Edited without comment. |
| April 12, 2010 | Edited by Open Library Bot | Added photos to author pages. |
| September 12, 2008 | Edited by ImportBot | Found a matching record from University of Toronto . |
| September 10, 2008 | Edited by RenameBot | fix author name |
| April 1, 2008 | Created by an anonymous user | initial import |