PDF files (Portable Document Format) of past issues of THE SPECTRUM are available at the links below. If needed Adobe Acrobat can be obtained free at Adobe.com
2008 Spring January 18 February March April May
2007 Spring 2006 in Review January 19 February 2 February 16 March 2 March 16 April 3 April 13 May 11 May 25
2007 Summer August 24
2006 Fall September 8 September 26 October 6 October 24 November 3 November 17 December 1 [incomplete] December 15