- May 1, 1981
- Aug. 24, 1981
- May 1, 1982
- April 19, 1983 - new as of 05.10.2004 - thanks mike C!
- April 29, 1983 - new as of 05.10.2004 - thanks mike C!
- Nov. 22, 1983
- May 1, 1984
- Sept 13, 1984 - new as of 06.25.2004 - thanks mike C!
- March 15, 1985
- May 1, 1985
- May 1, 1986
- April 8, 1987
- May 1, 1987
- Sept 14, 1987
- Jan. 20, 1988
- Feb. 2, 1988
- Feb. 22, 1988
- April 4, 1988
- (4/27/88) = May 1, 1988
- Sept 28, 1988
- Nov 30, 1988
- Feb 8, 1989
- March 8, 1989
- May 1, 1989
- Sept 27, 1989
- Dec 6, 1989 - new as of 06.25.2004 - thanks mike C!
- Mar. 21, 1990
- May 1, 1990
- Sept. 5, 1990
- Oct. 24, 1990
- Dec 5, 1990
- #2 Dec 5, 1990
- Jan 16, 1991
- Mar 20, 1991
- May 1, 1991
- Aug 28, 1991
- Dec 4, 1991
- Jan 22, 1992
- May 1, 1992
- Sept 1, 1992
- Dec 1, 1992
- Mar 10, 1993
- May 1, 1993
- Dec 1, 1993
- May 1, 1994
- Dec 7, 1994
- May 1, 1995
- Dec 6, 1995
- May 1, 1996
- Dec 4, 1996
- May 1, 1997
- Dec. 3, 1997
- May 1, 1998
- Dec 2, 1998
- May 1 (Apr 29) 1999)
- Dec 1 1999
- May 1 2000
- Sept 20 2000 - full page, unscheduled
- Oct 10 2000 - small, unscheduled
- Dec 6, 2000
- Jan 17, 2001 - small, unscheduled
- April 4, 2001 - small, unscheduled
- May 1, 2001
- Dec 5, 2001
- May 1, 2002
- Sept 26, 2002 - small, unscheduled
- Dec 4, 2002
- May 1, 2003
- Dec 3, 2003
- May 1, 2004
- June 16, 2004
- Aug 4, 2004 - small unscheduled
- Dec 1, 2004
- Feb 9, 2005
- April 29, 2005
- June 22, 2005
- Dec 7, 2005
- May 1, 2006
- Dec 6, 2006 - thanks for the scan, Mike C.
- May 1, 2007
- Dec 5, 2007
- April 2, 2008
- May 1, 2008
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