- 18:53, 27 August 2009 (diff | hist) . . (-11) . . m 2009 Fall Math 453 Lipman
- 18:44, 27 August 2009 (diff | hist) . . (-45) . . m 2009 Fall Math 453 Lipman
- 17:55, 27 August 2009 (diff | hist) . . (+61) . . 2009 Fall Math 453 Lipman
- 17:36, 27 August 2009 (diff | hist) . . (+6) . . 2009 Fall Math 453 Lipman
- 17:33, 27 August 2009 (diff | hist) . . (+287) . . 2009 Fall Math 453 Lipman
- 17:10, 27 August 2009 (diff | hist) . . (+46) . . 2009 Fall Math 453 Lipman