The American Mathematical Monthly
Volume 112 No7 August/September 2005
Volume 112 No.10 December 2005
Volume 113 No.10 December 2006
Volume 114 No.6 June-July 2007
Volume 114 No.7 August-September 2007
Volume 114 No.10 December 2007
Volume 115 No.7 August-September 2008
Volume 115 No.10 December 2008
Volume 116 No.7 August-September 2009
Volume 117 No.6 June-July 2010
Volume 117 No.7 August-September 2010
Volume 117 No.10 December 2010
Volume 118 No.6 June-July 2011