1969
August 1969, #1
October 1969, #2
December 1969, #3

1970
February 1970, #4
April 1970, #5
June 1970 #6
August 1970, #7
October 1970, #8
December 1970, #9

1971
Feruary 1971, #10
April 1971, #11
July 1971, #12
August 1971, #13
November 1971, #14

1972
January 1972, #15
March 1972, #16
May 1972, #17
July 1972, #18
October 1972, #19
December 1972, #20

1973
Febuary 1972, #21
April 1972, #22
June 1973, #23
October 1973, #24
December 1973, #25

1974
April 1974, #26
September 1974, #27
December 1974, #28

1975
February 1975, #29
April 1975, #30
July 1975, #31

1976
February 1976, #32
May 1976, #33
July 1976, #34
November 1976, #35

1977
January 1977, #36
June 1977, #37
October 1977, #38

1978
January 1978, #39
June 1978, #40
October 1978, #41

1979
January 1979, #42
July 1979, #43

1980
February 1980, #44
June 1980, #45
October 1980, #46

1981
February 1981, #47
May 1981, #48
August 1981, #49
December 1981, #50

1982
May 1982, #51
November 1982, #52

1983
June 1983, #53
October 1983, #54

1984
January 1984, #55, Heller tribute
May 1984, #56
August 1984, #57
November 1984, #58

1985
February 1985, #59
June 1985, #60
August 1985, #61
October 1985, #62
December 1985, #63

1986
February 1986, #64
May 1986, #65
July 1986, #66
September 1986, #67
November 1986, #68

1987
February 1987, #69
April 1987, #70
June 1987, #71
September 1987, #72
December 1987, #73

1988
March 1988, #74
June 1988, #75
August 1988, #76
October 1988, #77
December 1988, #78

1989
March 1989, #79
June 1989, #80
September 1989, #81

1990
February 1990, #82
May 1990, #83
August 1990, #84

1991
January 1991, #85
June 1991, #86
December 1991, #87

1992
Mar 1992, #88
July 1992, #89
November 1992, #90

1993
April 1993, #91
October 1993, #92

1994
May 1994, #93
October 1994, #94

1995
March 1995, #95
July 1995, #96
November 1995, #97

1996
April 1996, #98
September 1996, #99