There is a page with more info at http://www.uv.es/~tung/smlisp/
Small Lisp
Small Lisp is a historic Lisp dialect that was used for the example code in RD Cameron and AH Dixon's Symbolic Computing with Lisp. Documentation, implementation source code in Turbo Pascal and Modula-3, and binaries for DOS and Linux are available at http://www.cs.sfu.ca/~cameron/smlisp/