- 17:53, 27 August 2009 (diff | hist) . . (-11) . . m 2009 Fall Math 453 Lipman
- 17:44, 27 August 2009 (diff | hist) . . (-45) . . m 2009 Fall Math 453 Lipman
- 16:55, 27 August 2009 (diff | hist) . . (+61) . . 2009 Fall Math 453 Lipman
- 16:36, 27 August 2009 (diff | hist) . . (+6) . . 2009 Fall Math 453 Lipman
- 16:33, 27 August 2009 (diff | hist) . . (+287) . . 2009 Fall Math 453 Lipman
- 16:10, 27 August 2009 (diff | hist) . . (+46) . . 2009 Fall Math 453 Lipman