| September 18, 2021 | Edited by Jenner | merge authors |
| September 27, 2020 | Edited by MARC Bot | add ISNI |
| March 31, 2017 | Edited by MARC Bot | add VIAF and wikidata ID |
| October 21, 2008 | Edited by ImportBot | Found a matching record from University of Toronto . |
| August 30, 2008 | Created by ImportBot | Imported from Talis MARC record. |