The Free On-line Dictionary of Computing (30 December 2018):

Kyoto Common Lisp
KCL

    (KCL) An implementation of Common Lisp by
   T. Yuasa  and M. Hagiya
   , written in C to run under
   Unix-like operating systems.  KCL is compiled to ANSI C.
   It conforms to Common Lisp as described in Guy Steele's
   book and is available under a licence agreement.

   (ftp://rascal.ics.utexas.edu/pub/kcl.tar.Z).

   E-mail:  (bug reports).

   Mailing list: kcl-request@cli.com, kcl@rascal.ics.utexas.edu.

   ["Design and Implementation of Kyoto Common Lisp", T. Yuasa
   , J Info Proc 13(3):284-295 (1990)].

   ["Kyoto Common Lisp Report", T. Yuasa & M. Hagiya].

   (1987-06-01)