| November 1, 2023 | Edited by AgentSapphire | reverted to revision 2 |
| November 27, 2011 | Edited by Neville Holmes | merge authors |
| February 11, 2011 | Edited by AMillarBot | clean up name |
| October 21, 2008 | Created by ImportBot | Imported from University of Toronto MARC record |