| August 6, 2021 | Edited by Charles Horn | merge authors |
| September 27, 2020 | Edited by MARC Bot | add ISNI |
| March 31, 2017 | Edited by MARC Bot | add VIAF and wikidata ID |
| June 6, 2012 | Edited by VacuumBot | Removed period from death date |
| August 19, 2008 | Edited by an anonymous user | fix author name |