1981-03-12 /BB-H506D-SM_1983/01/cobol/documentation/keyrms.cbl 1981-03-12 /BB-H506E-SM/01/cobol/documentation/keyrms.cbl 1981-03-12 /BB-H580C-SB_1981/01/keyrms.cbl 1981-03-12 /BB-H580E-SB_1985/01/keyrms.cbl 1981-03-12 /cobol12c/01/keyrms.cbl