Schemeの歩み

 1975   Sussman & Steele "SCHEME: An interpreter for 
          extended lambda calculus"
 1978   The Revised Report on Scheme, a Dialect of Lisp
 1985   The Revised Revised Report on Scheme, or 
          an uncommon Lisp.
 1986   The Revised^3 Report on the algorithmic language Scheme
 1990   IEEE Standard 1178-1990
 1991   The Revised^4 Report on the algorithmic language Scheme
 1998   The Revised^5 Report on the algorithmic language Scheme