MLR 65.1•1970
YWMLS 30•1970
MLR 65.2•1970
MLR 65.3•1970
MLR 65.4•1970
MLR 66.1•1971
YES 1•1971
YWMLS 31•1971
MLR 66.2•1971
MLR 66.3•1971
MLR 66.4•1971
MLR 67.1•1972
YES 2•1972
YWMLS 32•1972
MLR 67.2•1972
MLR 67.3•1972
MLR 67.4•1972
MLR 68.1•1973
YES 3•1973
YWMLS 33•1973
MLR 68.2•1973
MLR 68.3•1973
MLR 68.4•1973
MLR 69.1•1974
YES 4•1974