| April 17, 2021 | Edited by Tom Morris | merge authors |
| September 27, 2020 | Edited by MARC Bot | add ISNI |
| April 1, 2020 | Edited by Julimina | Edited without comment. |
| March 31, 2017 | Edited by MARC Bot | add VIAF and wikidata ID |
| September 7, 2011 | Edited by Violet | merge authors |