Source : Free On-Line Dictionary of Computing

RRS
     
        An early definition of {Scheme}.  Revised in {R2RS}.
     
        ["The Revised Report on Scheme", G.L. Steele et al, AI Memo
        452, MIT, Jan 1978].
     
        (1994-10-28)
     
        [Was the original "Report on Scheme" published?]