I found a much nicer (with antialiasing) .ps version hiding alongside the original, and the source .tex too:
http://www-formal.stanford.edu/jmc/history/lisp.ps
http://www-formal.stanford.edu/jmc/history/lisp.tex
The original HTML doesn't reproduce any of the TeX "special" bits like greek letters or mathematical formulae, so the PS is definitely recommended.
For those into old-school typography, I've come upon http://pages.cs.wisc.edu/~cs704-1/PAPERS/mccarthy.pdf
http://www.csse.monash.edu.au/courseware/cse3323/CSE3323-200...