| April 12, 2010 | Edited by Open Library Bot | Added photos to author pages. |
| April 24, 2009 | Edited by 71.106.94.15 | Edited without comment. |
| April 24, 2009 | Edited by 71.106.94.15 | Edited without comment. |
| August 29, 2008 | Created by ImportBot | Imported from Western Washington University MARC record |