User contributions
- 09:24, 7 November 2011 (diff | hist) . . (+42) . . User:Sietsesterrenburg (current)
- 09:21, 7 November 2011 (diff | hist) . . (+6) . . N File:Pasfoto bos.jpg (Sietse) (current)
- 09:11, 7 November 2011 (diff | hist) . . (+1,569) . . N User:Sietsesterrenburg (Profile of Sietse Sterrenburg)
- 19:20, 30 October 2011 (diff | hist) . . (-1) . . m Schoolsystemen (current)