File:Catch-22-logo.pngDescriptionCatch-22-logo.png English: Logo for Catch-22 Date 23 May 2019 Source Own work Author Machete kills
File:Wikimania2011InfoDesk.pdfof online visitors of Wikimania 2011 and the responses they received. Date 22 October 2011 Source http://wikimania2011.wikimedia.org/wiki/Wikimania:Information_Desk