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

Austin Kyoto Common Lisp
AKCL

    (AKCL) A collection of ports, bug fixes, and
   performance improvements to KCL by William Schelter
   , , University of Texas.

   Version 1-615 includes ports to Decstation 3100,
   HP9000/300, i386/Sys V, IBM-PS2/AIX, IBM-RT/AIX,
   SGI, Sun-3/Sunos 3 or 4, Sun-4, Sequent Symmetry,
   IBM370/AIX, VAX/BSD VAX/Ultrix, NeXT.

   (ftp://rascal.ics.utexas.edu/pub/akcl-1-609.tar.Z).

   (1992-04-29)