1981-02-17 /BB-H506D-SM_1983/01/cobol/binary/cbl74.hlp 1981-02-17 /BB-H506E-SM/01/cobol/binary/cbl74.hlp 1981-03-16 /BB-H580C-SB_1981/01/cbl74.hlp 1981-03-16 /BB-H580E-SB_1985/01/cbl74.hlp 1981-03-16 /cobol12c/01/cbl74.hlp