| April 12, 2010 | Edited by Open Library Bot | Added photos to author pages. |
| December 1, 2009 | Edited by 142.162.86.216 | Edited without comment. |
| November 30, 2009 | Edited by 142.162.86.216 | Edited without comment. |
| November 30, 2009 | Edited by 142.162.86.216 | Edited without comment. |
| October 22, 2008 | Created by ImportBot | Imported from University of Toronto MARC record |