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

Macintosh Common Lisp

    (MCL) Common Lisp for the Apple Macintosh.

   Guillaume Cartier, of the Mathematics Department at UQAM,
   Canada, has written some libraries.

   (ftp://cambridge.apple.com/pub/mcl2/contrib/).

   (1992-11-30)