| January 16, 2021 | Edited by Lisa | merge authors |
| September 27, 2020 | Edited by MARC Bot | add ISNI |
| March 31, 2017 | Edited by MARC Bot | add VIAF and wikidata ID |
| March 9, 2010 | Edited by Edward Betts | add detail |
| September 26, 2008 | Created by ImportBot | Imported from Library of Congress MARC record |