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- 10:33, 29 May 2015 Bernhard (Talk | contribs) deleted "File:Wirth-AD.jpg" (Duplicated file)
- 10:28, 29 May 2015 Bernhard (Talk | contribs) uploaded "File:Wirth-AD.jpg"
- 03:46, 30 April 2007 Bernhard (Talk | contribs) uploaded "File:ISBN 0201544288.jpg"
- 03:41, 30 April 2007 Bernhard (Talk | contribs) uploaded "File:0201544288.jpg" (Cover image of Project Oberon )