| July 31, 2020 | Edited by Tom Morris | merge authors |
| March 31, 2017 | Edited by MARC Bot | add VIAF and wikidata ID |
| December 10, 2010 | Edited by Alan Millar | merge authors |
| December 10, 2010 | Edited by Alan Millar | short bio note |
| December 10, 2010 | Edited by Alan Millar | merge authors |