| September 30, 2020 | Edited by MARC Bot | add ISNI |
| May 14, 2017 | Edited by MARC Bot | merge authors |
| March 31, 2017 | Edited by MARC Bot | add VIAF and wikidata ID |
| December 13, 2009 | Edited by 82.171.181.173 | Edited without comment. |
| September 9, 2008 | Edited by RenameBot | fix author name |