198311 ISSUES · VOL. 16
January 1983
February 1983
March 1983
April 1983
May 1983
June–July 1983
August 1983
September 1983
October 1983
November 1983
December 1983–January 1984
198212 ISSUES · VOL. 15
January 1982
February 1982
March 1982
April 1982
May 1982
June 1982
July 1982
August 1982
September 1982
October 1982
November 1982
December 1982
198012 ISSUES · VOL. 13
January 1980
February 1980
March 1980
April 1980
May 1980
June 1980
July 1980
August 1980
September 1980
October 1980
November 1980
December 1980
197912 ISSUES · VOL. 12
January 1979
February 1979
March 1979
April 1979
May 1979
June 1979
July 1979
August 1979
September 1979
October 1979
November 1979
December 1979
197812 ISSUES · VOL. 11
January 1978
February 1978
March 1978
April 1978
May 1978
June 1978
July 1978
August 1978
September 1978
October 1978
November 1978
December 1978
197712 ISSUES · VOL. 10
January 1977
February 1977
March 1977
April 1977
May 1977
June 1977
July 1977
August 1977
September 1977
October 1977
November 1977
December 1977
19769 ISSUES · VOL. 9
February–March 1976
April 1976
May 1976
June 1976
July 1976
August 1976
September 1976
October 1976
November 1976
December 1976 – January 1977
19754 ISSUES · VOL. 8
January 1975
February 1975
March 1975
April 1975
May 1975
June 1975
July–August 1975
October 1975
November 1975
December 1975–January 1976
19745 ISSUES · VOL. 7
January 1974
February 1974
March 1974
April 1974
May 1974
June 1974
July–August 1974
September 1974
October 1974
November 1974
December 1974
19736 ISSUES · VOL. 6
January 1973
February 1973
March 1973
April 1973
May 1973
June 1973
July 1973
September 1973
October 1973
November 1973
December 1973
19727 ISSUES · VOL. 5
December 1971–January 1972
February 1972
March 1972
April 1972
May 1972
June 1972
July 1972
September 1972
October 1972
November 1972
December 1972
19717 ISSUES · VOL. 4
January 1971
March 1971
April 1971
May 1971
June 1971
July 1971
September 1971
October 1971
November 1971
December 1971 – January 1972