| April 10, 2024 | Edited by bitnapper | merge authors |
| September 30, 2020 | Edited by MARC Bot | add ISNI |
| March 31, 2017 | Edited by MARC Bot | add VIAF and wikidata ID |
| September 16, 2010 | Edited by Prajña | Edited without comment. |
| September 16, 2010 | Edited by Prajña | merge authors |