Volume 55 – No. 1-4

December 1982

Volume 54 – No. 1-4

December 1981

Volume 53 – No. 1-4

December 1980

Volume 52 – No. 1-4

December 1979

Volume 51 – No. 1-4

December 1978

Volume 50 – No. 1-4

December 1977

Volume 49 – No. 1-4

December 1976

Volume 48 – No. 1-4

December 1975

Volume 47 – No. 1-4

December 1974

Volume 46 – No. 1-4

December 1973