| Rev | When | Who | Comment | Diff | A B |
|---|---|---|---|---|---|
| 14 | March 26, 2021 | Charles Horn | remove book like metadata added in error | Changes | |
| 13 | September 22, 2020 | MARC Bot | import existing book | Changes vs current | |
| 12 | December 15, 2019 | ImportBot | import existing book | Changes vs current | |
| 11 | October 20, 2019 | ImportBot | import existing book | Changes vs current | |
| 10 | October 20, 2019 | ImportBot | import existing book | Changes vs current | |
| 9 | March 27, 2018 | ImportBot | import new book | Changes vs current | |
| 8 | November 9, 2017 | ImportBot | import new book | Changes vs current | |
| 7 | November 9, 2017 | ImportBot | import new book | Changes vs current | |
| 6 | November 9, 2017 | ImportBot | import new book | Changes vs current | |
| 5 | January 27, 2012 | Edward Betts | remove broken robot picture | Changes vs current | |
| 4 | September 29, 2009 | George | Added a robot picture. CC-licensed from Flickr. | Changes vs current | |
| 3 | September 29, 2009 | George | Added a description. | Changes vs current | |
| 2 | October 21, 2008 | ImportBot | add bot flag | Changes vs current | |
| 1 | August 27, 2008 | 77.101.168.57 | Changes vs current |