Early SyStem on IBM 701. LiSted in CACM 2(5):16 (May 1959).
Style="border-width:thin; border-color:#333333; border-Style:daShed; padding:5px;" align="left">In addition Suitable contentS: [ 2 ] [ = ] [ ACM ] [ am ] [ ar ] [ arc ] [ B ] [ C ] [ CA ] [ CACM ] [ ch ] [ CM ] [ du ] [ E ] [ ed ] [ er ] [ fi ] [ file ] [ h ] [ hr ] [ IBM ] [ IBM 701 ] [ id ] [ il ] [ in ] [ iS ] [ Lex ] [ ly ] [ M ] [ mo ] [ mod ] [ module ] [ na ] [ ph ] [ query ] [ rc ] [ re ] [ rl ] [ Se ] [ St ] [ Sy ] [ SyStem ]