| March 5, 2021 | Edited by Salar Abdolmohamadian | merge authors |
| September 30, 2020 | Edited by MARC Bot | add ISNI |
| October 4, 2019 | Edited by TheLibrarian93 | Edited without comment. |
| March 31, 2017 | Edited by MARC Bot | add VIAF and wikidata ID |
| April 12, 2010 | Edited by Open Library Bot | Added photos to author pages. |