Keywords: Illegal Union Firing 1952 - 2007.svg valid SVG Inkscape-hand Translation possible en wikipedia 2011 February 21 en A chart showing illegal firings in union elections from 1952 to 2007 based on various studies but not all of these studies have been proven to be correct 05 34 17 May 2010 UTC Based on http //www cepr net/documents/publications/dropping-the-ax-update-2009-03 pdf Dropping the Ax Illegal Firings During Union Election Campaigns 1951-2007 Figure 4 for image for full study see Hard Times for Unions Another Look at the Significance of Employer Illegalities <br />Transferred from http //en wikipedia org en wikipedia Own work by CartoonDiablo Original chart is made by John Schmitt Ben Zipperer Robert J LaLonde and Bernard D Meltzer en wikipedia CartoonDiablo Original upload log page en wikipedia Illegal_Union_Firing_1952_-_2007 svg 2010-08-16 21 37 CartoonDiablo 1024×624 44868 bytes <nowiki> A chart showing illegal firings in union elections from 1952 to 2007 http //www cepr net/documents/publications/dropping-the-ax-update-2009-03 pdf Dropping the Ax Illegal Firings During Union Electi</nowiki> 2010-08-16 21 40 CartoonDiablo 1070×650 43044 bytes <nowiki></nowiki> 2011-01-21 21 47 CartoonDiablo 717×466 41562 bytes <nowiki>created own version for public domain usage </nowiki> Political history of the United States Activism Economy of the United States Economic history of the United States Trade unionism |