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• 13:08, 5 April 2006 (hist) (diff) Hand with Reflecting Sphere (Self-Portrait in Spherical Mirror) (There is no left/right problem. Escher's enantiomorph correctly holds the sphere with his left hand, since left and right are reversed in a mirror.) (top)
• 11:07, 5 April 2006 (hist) (diff) m Dreamtime (mythology) (→External links - rm broken link (you may want to re-add it if you can fix it)) (top)
• 09:50, 30 January 2006 (hist) (diff) Cohen-Macaulay ring (→References - added ISBNs) (top)
• 09:52, 13 January 2006 (hist) (diff) m Strong operator topology (typo) (top)

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