YL Harmonics 1970-1979

YL Harmonics Archive Click on a link below to download older issues of YL Harmonics.

1979 YL Harmonics Issues

1979 Jan-feb

1979 Mar-Apr

1979 May-Jun

1979 Aug-Sept

 

 

 

 

 

1978 YL Harmonics Issues

1978 Jan-Feb

1978 Mar-Apr

1978 May-Jun

1978 Jul-Aug

1978 Nov Dec

 

 

 

 

1977 YL Harmonics Issues

1977 Sept Oct

1977 Nov-Dec

  • Jan-Feb 1977
  • Mar-Apr 1977
  • May-Jun 1977

 

1976 YL Harmonics Issues

  • Jan-Feb 1976
  • Mar-Apr 1976
  • May-Jun 1976
  • July-Aug 1976
  • Nov-Dec 1976

1975 YL Harmonics Issues

  • Jan-Feb 1975
  • Mar-Apr 1975
  • May-jun 1975
  • July-Aug 1975
  • Nov-Dec 1975

1974 YL Harmonics Issues

  • Jan-Feb 1974
  • Mar-Apr 1974
  • May-Jun 1974
  • July-Aug 1974
  • Nov-Dec 1974

1973 YL Harmonics Issues

  • Jan-Feb 1973
  • Mar-Apr 1973
  • May-Jun 1973
  • July-Aug 1973
  • Nov-Dec 1973

1972 YL Harmonics Issues

  • Jan-Feb 1972
  • Mar-Apr 1972
  • May-Jun 1972
  • July-Aug 1972
  • Nov-Dec 1972

1971 YL Harmonics Issues

  • Jan-Feb 1971
  • Mar-Apr 1971
  • May-Jun 1971
  • July-Aug 1971
  • Nov-Dec 1971

1970 YL Harmonics Issues

  • Jan-Feb 1970
  • Mar-Apr 1970
  • May-jun 1970
  • July-Aug 1970
  • Nov-Dec 1970

 

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