| Rev | When | Who | Comment | Diff | A B |
|---|---|---|---|---|---|
| 13 | August 1, 2025 | WikidataBot | [sync_author_identifiers_with_wikidata] add wikidata remote identifiers | Changes | |
| 12 | September 30, 2024 | kathrinpassig | merge authors | Changes vs current | |
| 11 | January 9, 2022 | Gustav-Landauer-Bibliothek Witten | links | Changes vs current | |
| 10 | September 27, 2020 | MARC Bot | add ISNI | Changes vs current | |
| 9 | April 7, 2020 | Camillo Pellizzari | Changes vs current | ||
| 8 | April 7, 2020 | Camillo Pellizzari | merge authors | Changes vs current | |
| 7 | March 31, 2017 | MARC Bot | add VIAF and wikidata ID | Changes vs current | |
| 6 | June 8, 2012 | Alan Millar | merge authors | Changes vs current | |
| 5 | February 22, 2011 | George | Basic info; wikipedia link; name order | Changes vs current | |
| 4 | February 22, 2011 | George | Added new photo | Changes vs current | |
| 3 | September 1, 2010 | Ken Haase | merge authors | Changes vs current | |
| 2 | April 12, 2010 | Open Library Bot | Added photos to author pages. | Changes vs current | |
| 1 | April 1, 2008 | initial import | Changes vs current |