1980-01-28 /BB-H311B-RM/01/swskit-utilities/ds.mem 1980-12-15 /BB-L288A-RM/01/swskit-utilities/ds.mem 1982-01-21 /6.1_emacs_manuals_1er/01/manuals/ds.mem 1982-01-21 /BB-H311C-RM/01/swskit-utilities/ds.mem 1982-01-21 /SRI_NIC_PERM_SRC_3_19910112/01/stanford/5-swskit/ds.mem 1984-08-22 /BB-H311D-RM/01/swskit-tools/ds.mem 1984-08-22 /QT020_T20_4.1_6.1_SWSKIT_851021/01/swskit-tools/ds.mem