User contributions
- 14:31, 21 October 2012 (diff | hist) . . (-1) . . 721: Flatland (→Transcript)
- 14:30, 21 October 2012 (diff | hist) . . (-7) . . 721: Flatland (→Explanation)
- 13:56, 1 September 2012 (diff | hist) . . (-10) . . 225: Open Source (→Explanation)