1981-02-02 /BB-D489E-SB/03/fsort.ver 1981-02-02 /BB-D489E-SB/04/fsort.ver 1981-02-02 /BB-H580C-SB_1981/08/fsort.ver 1981-02-02 /BB-H580C-SB_1981/09/fsort.ver 1982-11-11 /BB-H580E-SB_1985/04/fsort.ver 1982-11-11 /cobol12c/04/fsort.ver 1985-09-24 /BB-H506E-SM/01/sort/source/fsort.ver