| November 7, 2022 | Edited by Tom Morris | merge authors |
| September 30, 2020 | Edited by MARC Bot | add ISNI |
| March 31, 2017 | Edited by MARC Bot | add VIAF and wikidata ID |
| September 10, 2008 | Edited by ImportBot | Found a matching record from University of Toronto . |
| August 31, 2008 | Created by ImportBot | Imported from Talis MARC record. |